• it_(stephen_king)
• it_(baba_is_you) of baba_is_you (48 posts),

AND

• IT (Information Technology ). example The IT Crowd ((Have you tried turning it off and on again?))

Also possible posts could accidentally get tagged with it if tagger forgets underscore(s) in tags such as it_fucken_wimdy.

(some of others at https://en.wikipedia.org/wiki/It :
example: i can imagine artist include background appearance of It! The Terror from Beyond Space , It! The Living Colossus , etc.)