Have a look at Changing tag categories at the end of this help page for character/copyright tags. For creating new artists, go to Artists > New from the top bar (it's best if you read this help page before you create one).
Have a look at Changing tag categories at the end of this help page for character/copyright tags. For creating new artists, go to Artists > New from the top bar (it's best if you read this help page before you create one).