Related Clues:
- Person mimicking
- Challenging puzzle
- Tough riddle
- Mimicry expert
- Frank Caliendo, for one
- Puzzle or fashion model
- Difficult question
- One who's often not himself?
- One playing the copycat
- Confusing query
- "Me too" sort
- "Monkey see, monkey do" practitioner
- One making a good impression?
- Impressionist?
- Perplexing problem