Wechidna is an adaptive alien entity that took the appearance of Knuckles after encountering the video game Knuckle's Chaotix. He usually stands Motionless next to the trees with the lack of eyelids and mouth. His friends are Chaotix and Nakkuru and he cannot speak or speak only a few words since his speech is limited. He is great with technology but he is mainly idiotic and unaware most of the time. He is not good with human communication and acts aggressively when spoken to.