Related Clues:
- Louis C.K., for one
- Sign of a happy hound
- Sign of a canine excitement
- Performer of one-liners
- Quipster or punster
- Quick-witted one
- Person who may bomb, kill or slay
- Joker and Batman?
- Word with book or opera
- Tongue or tail motion
- Joker somewhat caustic, I'm occasionally contrary
- Kindness ultimately lacking in vast wit
- Reaction to a treat, maybe
- One eliciting laughs
- Move back and forth, as a tail