!

! is a very important symbol in the life of Mewcakes.

Uses of !
! is the exclamation point in Jeopardy!, Yu-Gi-Oh!, Pokémon Let's Go Pikachu! and Eevee!, Yahoo!, Yotsuba&!, E!, and other media.

! is a symbol for a good move in chess.

! is a symbol for a postalveolar click in phonetics.

! is a character from Starfall, named Queen Emphasis.