Ever notice how some actors never seem to escape a particular role? I mean how long has it been since MacGyver aired? And he's still got to deal with stuff like this: http://www.youtube.com/watch?v=lZXStPtY9lc
There's no trick to being a humorist when you have the whole government working for you. - Will Rogers
Kevin Sorbo had the same problem when he went from playing Hercules to playing Dylan Hunt in "Gene Roddenberry's Andromeda". In the pilot, when he's found frozen in time, one of the characters remarks: "I'm telling you, the guy is huge. He's like some kind of Greek god or something!"
And, it seems every time he broke something on the set the crew would start jokingly changing/calling out "Hercules"
And, since I'm in the Gene Roddenberry kind of mood, here's some blooper reels I found on YouTube: