Colonel Potter. wow, he lived a good one! I'm glad you described him that way because I was thinking of the Father on the Shotime series Dexter. edit sp. error.
And the judge in "Inherit the Wind". Plus before playing Colonel Potter he played a crazy general on M*A*S*H*.
"But first, a number... "When the sun goes down, the tide goes out, The people gather 'round and they all begin to shout, 'Hey! Hey! Uncle Dud, It's a treat to beat your feet on the Mississippi Mud. It's a treat to beat your feet on the Mississippi Mud.'"