In one segment from season two, he is lost and must find a police officer to help him get home. Luckily, he encounters a police officer who turns out to be his Uncle Louie. Louie explains that it's really him under his uniform.
Generally cast in sketches as a nondescript little boy, Charlie has been often performed by Frank Oz (including in the "Lost Kid" segment). Jim Henson, Jerry Nelson, and Richard Hunt have also performed him on occasion.
- The Lost Kid (EKA: Episode 0135)
- Alphabet Conversation (EKA: Episode 0267)
- Sorting a Family (EKA: Episode 0293)
- Circle Big/Small (EKA: Episode 0320)
- Super Grover: Apple Fight (recycled as one of two brothers fighting over an apple) (EKA: Episode 0682)
- Hide and Seek with three letter Zs (EKA: Episode 1062)