Jehovah's Witnesses

Actually they use the same Bible as everyone else
no, they dont, they use one that adds the word "a" to John 1:1
so that instead of it reading "In the beginning was the Word, and the Word was with God, and the Word was God."
it reads "In the beginning was the Word, and the Word was with God, and the Word was a God."

this denies Jesus' Deity, and that is a BIG issue