Answer: ATAT

AnswerCrossword Clue
ATATRat- -- (drumbeat)
ATATRat chaser
ATATRat ....
ATATRat followers
ATATRat-.....
ATATRat .....
ATATRat ..... (knocking)
ATATElephantlike walker in "The Empire Strikes Back"
ATATMassive walker in "The Empire Strikes Back"
ATATRat-.. (knocking sound)
ATATMachine gunner's syllables
ATATRat-... ("The Untouchables" sound effect)
ATATDrummer's syllables
ATATWords after rat
ATATRat ... (gun sounds)
ATATRat- ....
ATATRat ... (knocking)
ATATRat-..
ATATRat tail
ATATRat follower
ATATRat chaser?
ATATRat ending
ATATRat- ...
ATATRat ...
ATATRat- .....
ATATThe Empire Strikes Back vehicle
ATATWalking vehicle in The Empire Strikes Back
ATATRat-... (gun sound)
ATATRat-... (Tommy gun sound)
ATATRat follower?
ATATRat-...
ATATRat tail?
ATATRat-....