Bittergiggle, Also known as The Jester, is the main antagonist in Garten of Banban 4

Bittergiggle appears to be a humanoid split into two parts, with the left side being frowning, corrugated and purple apart from the area around the eyes and the foot which are green. the right side which is rather smiling, smooth and green aside from the area around the eyes and the foot which are purple

His goal is to make Queen Bouncelia laugh, unleashing The Naughty Ones, plunging the current level in ruin.