Possible Clues:

• ''Where's ___?'' (kids' book)
• He's tough to spot in a crowd
• Author Ralph __ Emerson
• Guy hiding in a red-and-white striped shirt
• Town in British Columbia, or swimmer Carolyn
• Findable fellow in children's books
• "Where's ___?" (children's book)
• The Great Pepper of film
• He hides in kids' books
• Part of R.W.E.