Dr. Luis de Potrillo is an exchange teacher at Crystal Cove High School teaching honors courses in social studies.
Physical appearance
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Personality
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Powers and abilities
He thought he might turn into Que Horrifico in his sleep, but he was wrong.
History
Early life
He knew about the legends of Que Horrifico and taught them in his class. Mary Ann Gleerdon learned about Que Horrifico from him.
Scooby-Doo! Mystery Incorporated
Season one
For a while he thought he might be Que Horrifico himself, until the gang proved that he was innocent. (The Song Of Mystery)
Appearances
- Scooby-Doo! Mystery Incorporated
- 105: The Song Of Mystery