| Bruno's Onix|
シバのイワーク Shiba's Iwaaku
|Debut:||File 4 - Charizard|
Onix was seen in the battle between Red and Bruno. Onix battled against Red's Scyther and chased it around the room Bruno occupies as a part of the Kanto Elite Four. Onix was defeated as Red was able to advance to the next Elite Four member.
None of Onix's moves are known.