King Scuttlebug
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| King Scuttlebug | |
|---|---|
 Screenshot from Mario Tennis Fever | |
| Species | Scuttlebug |
| Appears in | Mario Tennis Fever (2026) |
The King Scuttlebug is the main antagonist and final boss of the Adventure mode in Mario Tennis Fever. He was originally a normal Scuttlebug, but by absorbing the power of the mysterious tree, he became more powerful, gaining the tree's secret powers, growing gigantic and changing his appearance to resemble a Heavy Scuttlebug. He commands an army of enemies simply called "monsters", which consists of Scuttlebugs, Brolders, Fuzzies, Dry Bones, and Heavy Scuttlebugs.
After Waluigi and Wario attempt to steal the treasure in the ruins near the mysterious tree, they provoke King Scuttlebug, who begins to pursue them, surrounded by dark fog. After failing in their escape attempt, King Scuttlebug and two Heavy Scuttlebugs launch a powerful attack on the protagonists, transforming them into their baby versions, who then escape with the help of Toad and Donkey Kong. The Adventure mode focuses on the protagonists trying to defeat the monsters to undo the spell and return to normal. Bowser also joins the story, working with Baby Wario and Baby Waluigi to hinder Mario and defeat the monsters, with the sole objective of returning Baby Peach to normal.
After the protagonists complete the Foggy Swamp level and reach the Valley of the Monsters, they find Bowser's Battleship destroyed on the ground, covered in spiderwebs, due to an attack by King Scuttlebug with a massive spiderweb that occurred moments before. However, there is no trace of Bowser on the airship. Throughout the level, the protagonists will face all the monsters commanded by King Scuttlebug. After defeating the two Heavy Scuttlebugs that had cast the spell, Luigi and Peach return to normal. Upon reaching the room of the mysterious tree, Bowser appears and reveals that he allied himself with the mysterious monster to obtain the tree's power. After this, King Scuttlebug reveals himself, and the battle against Bowser & King Scuttlebug begins.
In the battle, King Scuttlebug supports Bowser by launching several web balls from the background, which create a web on the ground upon impact. After Bowser loses some of his health, King Scuttlebug uses his power to change the arena to the Ice Ruins arena and disappears, leaving the players to fight only Bowser. After Bowser takes enough damage, the arena returns to normal, and King Scuttlebug reappears. This time, Bowser hides in his shell and spins, at which point King Scuttlebug leaps from the background and punches Bowser towards the player, who must return the attack four times in a row with their racket to damage King Scuttlebug. After taking damage, King Scuttlebug returns to the background and attacks in the same way as in phase one, but much faster. After Bowser takes enough damage, King Scuttlebug uses his power again and transforms the arena into the Foggy Swamp arena, leaving Bowser to fight the player alone. After Bowser is damaged multiple times, the arena returns to normal, and King Scuttlebug appears and starts again punching Bowser back at the player, who must return the attack back at him five times in a row. After losing his entire health bar, King Scuttlebug is defeated and explodes, losing his power and reverting to a normal Scuttlebug, which then flees from the arena. Mario then returns to normal, and the mysterious tree, which was gray in color, begins to glow gold as it regains its power, ending the Adventure mode.
Gallery[edit]
King Scuttlebug covered in dark fog in the intro cutscene
Screenshot from Mario Tennis Fever
King Scuttlebug punching Bowser
King Scuttlebug, after being defeated
King Scuttlebug in his original form
