The Mystery Bird (Greeny356) is a mysterious bird that you will never know what the power is every time you use him/her,his/her powers are from the Red Bird-Pink Bird.He/she is an unlockable bird.
- He/She can be played anytime
- When he changes to Hal (Boomerang Bird),he grows a longer beak
- He/She is unlockable by finishing any game.
- He/She looks just like the Mystery Bird