|Death Kwon Do Sensai|
|Occupation:||Death Kwon Do Instructor|
|Voiced by:||Sam Marin|
|First appearance:||"Death Punchies"|
|Latest appearance:||"Sandwich of Death"|
The Death Kwon Do Instructor, Sensai, is an overweight martial arts instructor who teaches the fighting style of Death Kwon Do, using a notebook full of drawings as his technique book. He is voiced by Sam Marin. He often reacts to bad news by shouting "NOOOOO!". He only appears with a few lines/quotes. He returned in the episode "Sandwich of Death" as the deli owner.
He is overweight, and has orange, or strawberry-blonde hair, as a "crappy" mullet. He also has a mustache and wears a white headband and cut-off jeans. He has curly chest hair, and thick arm hair.
- He believes in hard work and determination, because he wouldn't give Rigby the death punch move immediately.
- Even though the real word is "Sensei," in the credits, his name is written as "Sensai".
- Sensai opened a deli after the events of 'Death Punchies ' called Death Kwon Do Pizza and Subs in 'Sandwich of Death .'
- His hair is brighter in 'Sandwich of Death '.