Eddie Murphy and Martin Lawrence may be family now via their married children, but the Shrek 5 star doesn't think they'll pass on the funny gene to their grandkids. "[People are] like, 'Oh, yeah! Those gene pools are gonna - how funny is that kid gonna be?'" Murphy, 64, told Extra at the Los Angeles premiere of his action-comedy film The Pickup on Sunday, July 27. "And I bet the kid's probably not going to be funny at all. Be a serious child.