Related Clues:

• Humorous sort
• It's often pitched from a deck
• Mother __
• Shake, as a finger
• It's known for helping hands
• Batman adversary
• Wild card, often
• Standup guy?
• One-liner producer
• 13-Down creator
• ''Doonesbury'' or ''Garfield,'' e.g.
• Ace taker
• ''Cathy'' or ''Blondie,'' e.g.
• Mental ability
• Swift quality