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This article is about the character in Super Mario RPG: Legend of the Seven Stars. For the item in Mario Party: Island Tour, see Booster (Mario Party: Island Tour). For the item in Dr. Mario: Miracle Cure, see Booster (Dr. Mario: Miracle Cure).
Artwork of Booster from the Nintendo Switch version of Super Mario RPG
Species Human
First appearance Super Mario RPG: Legend of the Seven Stars (1996)
Latest appearance Super Mario RPG (Nintendo Switch) (2023)
“I wonder when my next bride will fall from the sky?”
Booster, Super Mario RPG: Legend of the Seven Stars

Booster is a character who appears only in Super Mario RPG: Legend of the Seven Stars and its Nintendo Switch remake. He lives in Booster Tower with three Snifsters. He is of the seventh and current generation of Boosters. Despite this background, Booster would rather have fun and spend his days playing with his Snifsters and others he invites to his tower.


When Exor crashes into Bowser's Keep, Mario, Bowser and Princess Peach are sent flying in different directions. While Mario lands safely at his house, Peach lands at Booster's Tower. In response to this, Booster decides he must marry this woman who fell from the sky. Booster locks Peach on the balcony of his tower, waiting until the time is right to marry her, despite her constant cries for help.

When Mario arrives at the tower, Booster thinks he is there to enjoy his tower. He meets Mario again higher up in the tower and determines that he is the "Mario" who Peach has been screaming about. Booster attempts to eliminate Mario with some Rob-ombs, but Mario can evade their explosions or leave the room altogether. In either situation, it causes Booster to cry as he leaves on his toy train.

Upon reaching the top of Booster's Tower, Mario is forced to hide behind the curtains as Booster and his Snifsters enter the room. He asks the Snifsters if he should marry her and after one of the Snifsters mentions that the wedding ceremony would be a great party, they all rehearse the wedding. Booster then realizes that Mario will show up and asks his Snifsters to find the Mario doll behind the curtains. If Mario can avoid getting caught, Booster ignores him and finds his Mario doll, only to find he cannot reach it. Mario promptly jumps to retrieve it for him, and, out of gratitude, Booster gives him an exclusive item called Booster's Charm. If Mario gets discovered by the Snifsters three times, he and his allies are forced to fight Booster.

Booster's ancestors from Super Mario RPG: Legend of the Seven Stars.
Portraits of Booster's ancestors.

Booster starts the battle accompanied by his three Snifsters, but he cannot be attacked and does not act. Once the Snifsters are defeated, Booster becomes vulnerable and begins the fight proper. Booster either attacks or throw a bomb at one character, the latter of which hits with 1.5x the power of his normal attack, until his HP is reduced to 500. When this happens, Booster incorporates two new attacks to his arsenal: the first is Spritz Bomb, which hits one character for 2x the power of his normal attack. The second and more dangerous attack is one exclusive to him called Loco Express. It hits one character for 4x the power of his normal attack.

Regardless, Booster ends the rehearsal and opens the door to the balcony using the password, which in the original game is the name of the player's save file and in the remake is the player's Nintendo Switch profile username. He takes Princess Peach and goes to Booster Hill. Mario gives chase, but he has to first battle Booster's clown minions, Grate Guy and Knife Guy. After dispatching them, Mario chases Booster up Booster Hill to Marrymore, the marriage resort where Booster plans to marry Peach. He takes over the wedding hall and kicks out Raz, Raini, and their guests. When Mario and Bowser barge into the wedding hall, they cause Peach to lose some of her belongings. Depending on how fast Mario collects the belongings, Booster may kiss Bowser, the lectern, or Mario. Later, Booster eats Raspberry, the bottom half of the cake, and cries because of how delicious it is. With this, the wedding concludes and Booster and his Snifsters return to Booster's Tower.

If Mario returns to the balcony on Booster's Tower after the events of Marrymore, Booster can be seen with his Snifsters. He stares at the sky, thinking another potential wife may eventually fall down to him. Later, if Mario returns after the events of Nimbus Land, Valentina is seen on the balcony. She rejects Booster at first, but Booster whispers something into her ear and she falls in love with him. When she approaches him, Booster tries to distance himself from her. Viewing the balcony after this point shows them standing together.

In the ending, the two are wed with Dodo presiding over the wedding. Booster seems to get nervous with Valentina constantly getting closer to him, and he flees the wedding. In the parade during the credits, Booster rides his train. He notices that his Snifsters are chasing after a beetle and jumps out of the train to join them. Afterwards, he rides in the Koopa Clown Car as Bowser chases after him.

General information[edit]


Booster is an eccentric and immature figure, relying on his Snifsters to do all his work and explain things to him. He has a collection of dolls that he likes to play with, using these to rehearse real-world scenarios, and designs his tower around various child-oriented attractions, most prominently a ridable toy train that he uses to traverse the area. He tends to be ignorant and/or naïve much of the time, thinking that Peach's calls for help are her way of expressing happiness, only realizing the truth when he encounters Mario the second time. Furthermore, when Peach is crying at Marrymore, he believes that she's leaking fluid, and his Snifsters have to explain that she's upset. He thinks drinking punch and eating cake is complicated and proposes to boil the wedding cake in order to eat it. Despite his character arc revolving around his desire for a wife, he seems to display little interest in romance and is more interested in the rites and rituals of marriage, which he treats as a game. As soon as he eats Raspberry, he considers his wedding to Peach successfully over, despite the fact that no ceremony was held, and he leaves Peach behind, not understanding that a marriage involves a couple living together after the fact. The Nintendo Switch remake additionally shows that he lacks financial responsibility: his biographies in the Monster List indicate that he is constantly in debt as a result of the costs needed to maintain his tower, but he continues to spend money on his pet projects.

Booster is also shown to be egotistical and aggressive. On top of having an entire tower dedicated to himself, much of his behavior is oriented around personal pleasure even when it comes at the expense of others. This is most prominently illustrated in his attitude towards Peach, failing to acknowledge that she doesn't want to marry him and only worrying about the possibility of Mario disrupting the ceremony. Additionally, he forcibly clears out the Marrymore chapel in the middle of Raz and Raini's wedding and has his Snifsters barricade the building shut, aiming to keep it to himself while he gets married.

Profiles and statistics[edit]

Super Mario RPG: Legend of the Seven Stars[edit]

Super Mario RPG: Legend of the Seven Stars enemy
Battle idle animation of Booster from Super Mario RPG: Legend of the Seven Stars HP 800 FP 2 Speed 24
Location(s) Booster Tower Attack 75 Magic attack 1
Role Boss Defense 55 Magic defense 40
Bonus Flower None Yoshi Cookie None Morph rate 0%
Evade 0% Magic evade 0% Spells None
Weak Jump Strong Sleep, Critical Sp. attacks Spritz Bomb, Loco Express, "Bomb Toss" (Alone)
Coins 100 Exp. points 60 Items Flower Box (25%)
Psychopath "This is like realizing you're outside without your clothes on!"

Super Mario RPG (Nintendo Switch)[edit]

Booster (When Caught)
Artwork of Booster from the Nintendo Switch version of Super Mario RPG
HP 800
Exp. 60
Weak Elements Jump
Weak Statuses FearPoisonMute
Drops Flower Box
Rare Drops N/A
Found In Booster Tower
Monster List profile
Due to mounting expenses for tower and train maintenance, he doesn't have the coins to repair his busted door. It's been marked "will not fix."
Thought Peek
I feel like it's the last day of summer, and I just remembered all the homework I had.
Engine 023 Booster
Artwork of Booster from the Nintendo Switch version of Super Mario RPG
HP 3800
Exp. 60
Weak Elements Jump
Weak Statuses FearPoisonMute
Drops N/A
Rare Drops N/A
Found In Booster Tower
Monster List profile
He sold his favorite game to a boy in the Mushroom Kingdom for 100 coins to raise funds. Do you suppose the boy is playing that game even now?
Thought Peek
I feel like I just knocked my prized Impossible Grade model off the shelf while cleaning it.
Other stats for Engine 023 Booster[1]
FP 0
Attack 75
Defense 120
Magic Attack 1
Magic Defense 80
Speed 25
Evade 0%?
Spells None
Special Moves Loco Express 023
Element Resistances None
Status Resistances Sleep
Other Resistances Lamb's Lure/Sheep Attack, Geno Whirl, Pure Water, Yoshi Cookie
Coins 100
  • Website bio:
    • Japanese:
      「さて。 てんくうから はなよめが ふってきた きょうこのごろ!」
      A bearded man who lives in Booster Tower. He is about to marry a peach-colored lady who suddenly fell from the sky.
      "Right! Now, about the bride from the sky..."


Super Mario RPG: Legend of the Seven Stars[edit]

For a full list of quotes, see here.

Super Mario RPG (Nintendo Switch)[edit]

Post-game wishes on Star Hill
  • "I've got something special to show off."
  • "That doll was something special." (after having been defeated as Engine 023 Booster)


Names in other languages[edit]

Language Name Meaning
Japanese ブッキー
Possibly derived from「不器用」(bukiyō, "inept") or「不器量」(bukiryō, "ugly"); rendered "Bookie" in the Shogakukan guide[2] and at least one English-language preview[3]

Chinese 武奇
From「武」(military) and transliteration of his Japanese name

Dutch Booster
French Booster
German Borsto
Masculine form of Borste ("bristle"), possibly referring to his beard
Italian Booster
Korean 부키
Transliteration of his Japanese name

Spanish Costarugo
Portmanteau of "costa" (coast) and "tarugo" (blockhead)
Booster (When Caught)
Language Name Meaning
Japanese ブッキー (カーテンかくれんぼ失敗)
Bukkī (Kāten Kakurenbo Shippai)
Booster (Curtain Hide and Seek Failure)

Chinese (simplified) 武奇 (窗帘捉迷藏失败)
Wǔqí (Chuānglián zhuōmícáng shībài)
Booster (Curtain Hide and Seek Failure)

Chinese (traditional) 武奇 (窗簾捉迷藏失敗)
Wǔqí (Chuānglián zhuōmícáng shībài)
Booster (Curtain Hide and Seek Failure)

Dutch Booster (gevangen)
Booster (caught)
French Booster (Mario découvert)
Booster (Mario exposed)
German Borsto (dingfest)
Booster (apprehended)
Italian Booster (catturato)
Booster (captured/caught)
Korean 부키 (커튼 숨바꼭질 실패)
Buki (Keoteun Sumbakkogjil Silpae)
Booster (Curtain Hide and Seek Failure)

Spanish Costarugo (cuando te pilla)
Booster (when he catches you)
Engine 023 Booster
Language Name Meaning
Japanese ブッキー (ブキ023)
Bukkī (Buki023)
Booster (Buki 023); "Buki" refers to Booster's original train,「ブキ96」(Buki 96), while "023" refers to the remake's release year.

Chinese 武奇 (武奇023)
Wǔqí (Wǔqí023)
Booster (Booster 023)

French Booster (Loco 023)
German Borsto mit Borstolok 023
Booster with Borstolok 023; Borstolok comes from Borsto ("Booster") and Lokomotive ("locomotive")
Italian Treno Booster 023
Booster Train 023
Korean 부키 (부키023)
Buki (Buki023)
Booster (Booster 023)

Spanish Booster (Expreso 023)
Booster (023 Express)


  • Booster bears a striking resemblance to both Wario and Final Fantasy IV's Cid, having bared teeth, a similar nose to Wario's, straggly beard, and horned helmet as Cid had in his original artwork by Yoshitaka Amano.
  • Booster is in the Booster the Sixth portrait when he relinquishes the Elder Key. According to the Dr. Topper quiz, he is the 7th generation.


  1. ^ Super Mario RPG Speedruns - Misc. stats and data
  2. ^ Super Mario RPG Final Edition, page 2. "The Bookie Tower"
  3. ^ Nintendo Magazine System (UK) issue 38. Page 70.