Yep.  Betcha didn't know that Bugs Bunny was an honorary Marine. He was given the rank of honorary Marine master sergeant for his performance in "Super-Rabbit", (Warner Bros-1943). 

Actor and comedian Bob Hope, famous for his work with the USO, was named an honorary brigadier general of the Corps.

See the clip below and learn about some other famous Marines.

And by the way, Happy 246th Birthday, Marine...

"Sempre Fi" !