Gavan O'Herlihy is an Irish actor and the son of the late actor Dan O'Herlihy. His brief and often forgotten role of elder brother Chuck Cunningham on the American sitcom Happy Days gave birth to the TV trope "Chuck Cunningham Syndrome," where a character is completely written out of the story, sometimes to the point of having never existed.
Gavan O'Herlihy can be seen using the following firearms in the following movies and television shows:
