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Birdo's Egg in Super Mario RPG: Legend of the Seven Stars
Birdo speaking from inside Shelly
First appearance Super Mario RPG: Legend of the Seven Stars (1996)
Latest appearance Super Mario RPG (Nintendo Switch) (2023)

Shelly is a particular egg that contains Birdo in Super Mario RPG: Legend of the Seven Stars. It has pink spots on it, similarly to a pink-spotted Yoshi egg. It is the first Birdo egg in the series to be depicted this way.

Mario and his allies discover Shelly in Nimbus Castle, under the care of a Beezo while the castle has been taken over by Valentina. Birdo speaks to Mario from inside the egg, asking him to play with her. Accepting her request starts her boss fight.

Shelly serves as the first phase of the battle against Birdo. In battle, it has a different appearance, featuring smaller red splotches in place of its pink spots. Shelly poses no threat whatsoever, and it must simply be attacked to deplete its HP and destroy it. When this occurs, Birdo hatches, beginning the real fight.

Despite Shelly being destroyed over the course of the boss fight, Birdo is inside Shelly once again after the battle.

Profiles and statistics[edit]

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

Super Mario RPG: Legend of the Seven Stars enemy
Sprite of Shelly, from Super Mario RPG: Legend of the Seven Stars. HP 500 FP 100 Speed 0 Yoshi Cookie None
Attack 0 Magic attack 0 Location(s) Nimbus Castle Bonus Flower None
Defense 80 Magic defense 0 Weak None Items None
Evade 0% Magic evade 0% Strong Fear, Poison, Sleep, Mute, Critical Morph rate 0%
Coins 0 Exp. points 0 Spells None Sp. attacks None
Psychopath "Slow down!"
Japanese Thought Peek quote
  • あせらないで![1] (Don't rush!)

Super Mario RPG (Nintendo Switch)[edit]

Used in case of images missing from a section gallery, table, bestiary box, or certain infoboxes.Upload one!
HP 500
Exp. 0
Weak Elements N/A
Weak Statuses N/A
Drops N/A
Rare Drops N/A
Found In Nimbus Castle
Monster List profile
To understand what they're all about, you need to peek at the thoughts of the person inside, not the suspicious Shelly.
Thought Peek
Don't rush me... ♡

Names in other languages[edit]

Language Name Meaning
Japanese あやしげなカラ
Ayashigena Kara
Kyasarin no Tamago no Kara
Suspicious Shell

Birdo's Eggshell
Chinese (Simplified) 可疑蛋壳
Kěyí Dànké
Suspicious Eggshell
Chinese (Traditional) 可疑蛋殼
Kěyí Dànké
Suspicious Eggshell
French Coquille louche Suspicious shell
German Kalkinchen From "Kalk" (calcium carbonate) and the suffix "-inchen", denoting a diminutive female form
Italian Uovo sospetto Suspicious egg
Korean 정체불명껍데기
Jeongche Bulmyeong Kkeopdegi
Unidentified Shell
Spanish Cascarín Portmanteau of "cascarón" (eggshell) and the diminutive suffix "-ín"