Character
Kheirosiphon
Kheirosiphon in Adventure Time: Fionna and Cake (2023), played by Andy Daly.
Kheirosiphon is a Cosmic Entity who abandoned his post in order to live a simpler life on The Drift, serving tea. He was tracked down and captured by Scarab after a brief fight, and contained within an egg in Scarab's Crystal Multitool.
Read more about Kheirosiphon on Adventure Time Wiki at Fandom