Misc: What creature's name was derived from French words meaning "spiny pig"?

Questions

On "Three's Company" what was Larry's (the upstairs neighbor) last name??

Which professional wrestler popped both of John Stossel's ear drums during a 20/20 interview??

What was Reverend Jims real last name on TAXI??

On the show Kight Rider,what was the name of K.I.T.T.s evil double??

On Punky Brewster,how was she abandoned by her mother??