It's already 3 letters, but there's got to be a rapper name in there somewhere.
Famous people named Icy:
Singers Icy Spicy Leoncie and Icy Blu (real name: Laurel Yurchick).
Gucci Mane has a song called "Icy," while Saweetie took it one step further and named her song "Icy Grl."
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