Sesame Street/Darkwing Duck

Elmo as Darkwing Duck

Grover as Nega Duck

Bert as Herb

Abby as Gosalyn

Ernie as Binkie

Oscar As Liquidator

Cookie Monster as Quacker Jack

Zoe as Bushroot

Count von Count as Negavolt

Rosita as Honker

Big Bird as Launchpad