Jeff Dunham

Like the arrow says

Profession - Ventriloquist

Qualification - The only person ever to win the Ventriloquist of the Year award twice, Jeff has also appeared on The Tonight Show more times than any other ventriloquist. Once again, Jeff, field, greatest therein. Mohammed Ali can't make a puppet talk and tell jokes. As far as I know.

OK, he did this thing for his daughter's birthday once with a sock puppet but you could totally see his lips move and it wasn't that funny.

OK, it was kind of funny, but it wasn't really sock puppet so much as it was a sock, from his foot, like, five minutes before he did the bit. And it smelt noticeably of feet.

Boxer's feet.