Shamrock

Shamrock is a character who first appeared in Tremendous Treadmills. He's currently a contestant in Object Mayhem II.

Appearance
He is a shamrock (3-leaf clover) with a green hat on his uppermost leaf.

Personality
Shamrock is a happy guy who happens to try to become a ladies man by getting attention to the ladies, but the girls tend to not care about him at all.

Tremendous Treadmills
When he first got to the location for Object Mayhem II, the first contestant that he saw was Perfume through his binoculars, and he tries to make some moves on her, Perfume didn't care and left him.

Mechanical Madness
After the challenge was announced, Shamrock and his team decided he will sit this one out. When Perfume is wary about how deep the sewer is, Shamrock offers her to stay with him, only for her to deny. After that he did not appear in the rest of the episode.

Trivia

 * His voice is similar to a YouTuber named Jacksepticeye
 * Shamrock's voice actor, MegaAnimazing, is the creator of Inanimate Fight-Out.
 * Shamrock was the second character to have an accessory as part of the design, the first one being Tune.