The titular Adopt-a-Convict program has sent Tuskernini to Drake's house. DW is sure that Tuskernini hasn't reformed, even though he acts as if he has.
Darkwing: I am the terror that flaps in the night! I am the slug that crawled... hold the mayo. You're not Megavolt. You're Tuskernini, in a really bad Megavolt disguise.
Tuskernini: I am not Tuskernini, and this is an excellent disguise!
"He may have gotten away, but I know where he’s going! And I know a shortcut."