Hulk Hogan's former close friend is not shying away from the upcoming Gawker movie ... instead he wants to collab with them ... and, he's got lots of insight 'cause he was at the center of the scandal!
A rep for Bubba the Love Sponge -- a famous radio DJ whose wife wrestled between the sheets with the Hulkster in the now-infamous sex tape -- tells TMZ ... Bubba's not currently working with Ben Affleck and Matt Damon on their movie, but he's willing to collaborate.