Six and a Half

Hibo is made of 2 green blocks, 1 blue block, 1 dark blue block, and 1½ purple blocks with two yellow square eyes (despite not being a square), pink lips, seafoam arms, and yellow legs.

As Six and a Half
N/A

As Hibo
In episode 11, Hibo pranked Olive by scaring him with a ghost that resembles Vermone's monster.

In episode 19, Hibo, Vermone, and a traumatised Olive, were told by Weepy that they shouldn't exist.