Answer: whos

AnswerCrossword Clue
WHOS

"...but ... counting?"

WHOS

".. the Boss" (Danza sitcom)

WHOS

"... on first?"

WHOS
Seussian villagers
WHOS
Start of a "Knock, knock" response
WHOS"But .. counting?"
WHOS".. on first?"
WHOSGrinch victims
WHOS".. Afraid of Virginia Woolf?"
WHOSVillagers below Mount Crumpit
WHOS"... on First?"
WHOSThe Grinch's victims
WHOS"... Sorry Now?"
WHOS"... been sleeping in my bed?"
WHOS"... Your Daddy?" (Fox TV show)
WHOS"Knock, knock" response starter
WHOS"... there?"
WHOS"Look ... Talking" (1989 film)
WHOSAbbott and Costello's "... on First?"
WHOS"... your daddy?"
WHOS"..... on first?"
WHOSVillagers below the Grinch's cave
WHOSTheir Christmas feast included roast beast
WHOSDr. Seuss characters
WHOS".. That Girl?" (Madonna tune)
WHOS".. on First?"
WHOS".. there?" (knock response)
WHOS".. next?"
WHOSVillagers in "How the Grinch Stole Christmas!"
WHOSDust speck dwellers saved by Horton
WHOS"... Who."
WHOS... who
WHOS"... Who"
WHOS"... Afraid of Virginia Woolf?"
WHOS"... next?"
WHOS"... there?" (part of a knock-knock joke)
WHOS"... in charge here?"
WHOS"Look ... Talking"
WHOSMicroscopic Dr. Seuss characters
WHOS"... calling?"