When bonded with a character, it will automatically grant the character access to miss some basic attacks each round. Additionally, the bonded character damage stat is increased by two. Fimbley is a ninja-like Chao with a blue eye mask.
- Fimbley was never officially distributed in any events, though his code was avaliable via the Japanese Sonic Chronicles: The Dark Brotherhood website for players to use. However, only the Japanese version of the game can use the code.
- Upon using a game-altering device, Fimbley's description is too long for the game screen to display fully.