Birdo

Verified Timeline

Lore & Background

Birdo's creation involved a name switch with another enemy, Ostro, which appeared mistakenly in the credits of Super Mario Bros. 2 (1988). The Japanese manual for her debut game identifies her as Catherine, while the first edition North American manual explicitly stated that "he thinks he is a girl" and would "rather be called 'Birdetta'." This specific phrasing led to her being widely considered an early transgender icon, though later printings omitted these details. Her gender depiction has fluctuated wildly across media; she has been referred to as male, female, or of indeterminate gender, with voices ranging from feminine to masculine. In Captain Rainbow (2008), the game delves into her identity, where Birdo is imprisoned for using the women's bathroom and must retrieve a vibrator to prove she is a woman. This remains the last time such history was mentioned in a video game.

In Their Own Story

Birdo has acted as both an opponent and a playable character throughout the franchise's history. In her debut, she served as a boss in Yume Kōjō: Doki Doki Panic (1987). Later, she returned as a boss in Super Mario RPG (1996) and Mario & Luigi: Superstar Saga (2003). Her role expanded significantly in sports titles; she became playable in Mario Tennis (2000), Mario Golf: Toadstool Tour (2003), Mario Tennis Aces (2018), and Mario Strikers: Battle League (2022). She has also appeared multiple times as a playable racer in the Mario Kart series. Beyond these, she had roles in Wario's Woods (1994), appeared as an unlockable costume for Mario in Super Mario Maker (2015), and featured in Paper Mario: The Origami King (2020) during an in-universe stage play. Additionally, she is scheduled to appear as a villain accompanied by other bosses from Super Mario Bros. 2 in the animated film The Super Mario Galaxy Movie (2026).

Reader's Guide

Players can encounter Birdo primarily through her ability to fire eggs from her round mouth as projectiles. In her early appearances, this mechanic defined her role as a challenging boss opponent. As the series progressed into the 2000s and beyond, her function shifted toward playable status in sports games like Mario Tennis Aces (2018) and racing games within the Mario Kart franchise. Her visual design remains consistent: a pink dinosaur-like creature wearing a red hairbow. While early manuals identified her gender preferences as female with the name Birdetta, later games have been inconsistent, sometimes using male pronouns or referring to her simply as "Birdo." For those interested in her specific narrative regarding identity, Captain Rainbow (2008) offers the most direct exploration, depicting her struggle for acceptance and the retrieval of personal items to validate her womanhood.

Did You Know?

• The North American manual for Super Mario Bros. 2 originally stated that Birdo "thinks he is a girl" and prefers the name Birdetta, but this text was omitted in later printings.
• Birdo's name was mistakenly switched with an enemy named Ostro in the end credits and instruction manual of her debut game.
• In Captain Rainbow (2008), Birdo is imprisoned for using the women's bathroom and needs to retrieve a vibrator to prove she is a woman.
• Birdo is set to appear as a villain in The Super Mario Galaxy Movie, scheduled for release in 2026.
• She made her first appearance not in a Mario game, but in Yume Kōjō: Doki Doki Panic (1987), which was later localized as Super Mario Bros. 2.