Degrassi television franchise veteran who has portrayed his character of Tristan Milligan in Degrassi: Don't Look Back, Degrassi: The Next Generation, Degrassi TV, Degrassi: Minis and behind the scenes as himself in Degrassi: On the Set. He dreamed of being on Degrassi as early as ten years old. He originally auditioned to be the character of Mo before being cast as Tristan. He portrayed The Brain for seasons 12-15 on the show Arthur. His birth name is Lyle o'Donohue, but chose to go with Lettau in honor of his grandmother. He is of German, Irish, British, and Native descent, was born in Flesherton, Ontario, Canada, and moved to Los Angeles, CA in 2013. His character on the show is best friends with Alex Steele's character of Angela Jeremiah. [+]
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