?????

????? is a log.

Personality
????? is Water Bear's dentist. Their scene together in the dentist's office was cut out of episode 3 but ????? appears at the end of the ep as one of the characters up for elimination.

Appearance
????? is literally a sawed-off piece of wood.

Trivia
The concept art for this character was originally George Washington wearing Abraham Lincoln's signature stovepipe hat. Somewhere along the way, it was changed to a log.