Bomb

Bomb, labeled The Unusual One, is a male contestant on Object Showdown

Personality
Bomb has a speech disorder, causing him to stutter a lot and ends up with people who are thinking that he is weird and fanatical. But deep inside, Bomb seems to be warmhearted and empathetic inside, just doesn't know how to express it, (quite literally.)

Trivia

 * His explosions have usually either helped or messed up challenges.