
Batman is a man who dresses up like a BAT.
The Big Bang Theory Season 9, Episode 21

My spare glasses are in my bedroom,
on my dresser, next to my BAT signal.
The Big Bang Theory Season 1, Episode 11

- Leonard and Penny.
- Hand me the BAT.
The Big Bang Theory Season 3, Episode 13

with no one but this old BAT
for company, I'd go mad.
Game of Thrones Season 1, Episode 4

...the original Robin, Dick Grayson,
is the logical successor to the Bat Cowl.
The Big Bang Theory Season 2, Episode 20