Completed brown belt and achieved first level of black belt in Shotakan traditional karate under the training of kumite world champion Avi Rokah.
He studied classical cello for six years.
In high school he played varsity lacrosse and football, and was on the
varsity track team.
He is the son of artist Francine Matarazzo and Stephen Peck, Community Development Director for U.S.VETS. His half-sister, Marisa Matarazzo, is a writer.
Ethan was born when his father, Stephen Peck, was 39 years old, and his grandfather, Gregory Peck, was 69 years old.
He received the best actor award at the 2009 Sonoma International Film Festival for his role as "Sailor" in the film "Adopt a Sailor.".
Ethan's paternal grandmother was Finnish, and Ethan's maternal grandfather was of Italian descent. The rest of Ethan's ancestry is French-Canadian, Irish, English, and more distant German and Welsh.