Dr. Eugene L. Butterman

Dr. Eugene L. Butterman Name Age Gender Male Hair Yellow Eyes Affiliation(s) Alter Ego(s) First Appearence Zebra Donkey Voiced by GALLERY  Dr. Eugene L. Butterman is a recurring character in El Tigre: The Adventures of Manny Rivera. Personality Boring, emotionless, and dull. History Zebra Donkey He first appeared in a DVD documentary on Zebra Donkey, which caused Manny and Frida to fall asleep. later appeared in the local ice cream parlor, where he heard Manny shout "CURSE YOU, DR. EUGENE L. BUTTERMAN!", then told a clerk "I'll take that to go". La Tigressa He appeared in a documentary of Underground Empire. No Boots, No Belt No Brero As their family therapist, he obtained custody of the Rivera Family's objects of power, until they started to behave like a family; he later gave them back after he was attacked by one of the supervillains on the rampage. Appearance Canon Future Character Design/Inspiration Trivia