Jeff Garcia, best known for voicing Sheen Estevez in Jimmy Neutron: Boy Genius and its Nickelodeon spinoff, has tragically passed away at the age of 50, as confirmed by his son.

Actor and comedian Jeffrey Garcia, best known for voicing Sheen Estevez on the animated children's series "The Adventures of Jimmy Neutron, Boy Genius," has died, according to reports.

His most notable role was portraying the loveably hyperactive Sheen Estévez in the 2001 animated blockbuster Jimmy Neutron: Boy Genius.