Answer: bert

AnswerCrossword Clue
BERTPigeon-loving Muppet
BERT"Sesame Street" resident
BERTLahr or Parks
BERTErnie's Muppet pal
BERTSix-time A.L. stolen base champ Campaneris
BERT"Sesame Street" guy with a unibrow
BERTLongtime pageant host Parks
BERTOne of a "Sesame Street" duo
BERTErnie's roommate
BERTLion player Lahr
BERT"Sesame Street" roommate
BERT"Sesame Street" denizen
BERTResident of Sesame Street
BERTConvy or Parks
BERTDrama critic John Lahr's dad
BERTErnie's "Sesame Street" pal
BERTDick Van Dyke's "Mary Poppins" role
BERTParks of Atlanta
BERTBlyleven of baseball
BERTPigeon fancier on "Sesame Street"
BERTErnie's partner on TV
BERTHalf a PBS pair
BERTErnie's roomie
BERTStrikeout artist Blyleven
BERTEmie's friend
BERTLion Lahr
BERTMary Poppins's pal
BERTSesame Street star
BERTOne of a Sesame Street duo
BERTBaseball's Blyleven
BERTPitcher Blyleven
BERTActor Lahr
BERTChimney sweep in "Mary Poppins"
BERTMonobrowed Muppet
BERTNan Bobbsey's twin
BERTMuppet with a unibrow
BERTYellow Muppet
BERT"Mary Poppins" chimney sweep
BERTErnie's pal
BERTGame show host Convy