Gunter (Adventure Time)

Gunter
Background information
First appearance	"What is Life?"
Last appearance	"Cheers"
Voice	Tom Kenny
Character information
Gender	Unknown
Species	Primordial Monster (Ice Wizard; formerly disguised as a Penguin)
Occupation	Servant/Companion (formerly) Ruler of the Ice Kingdom

Gunter is a major antagonist of Adventure Time. They are usually seen as the personal assistant to Ice King.