Katie Yuki is the first born child and daughter of Kurai Yuki and Brooke Rivers. She has long black hair and brown eyes. She is the oldest of the Yuki-Reynolds cousins. Like the rest of the Yuki-Anderson family, Katie can see Duel Spirits, her's being White Ice Wolf. She uses a White Ice Deck.
Katie was originally going to be named Alyssa.
Katie was born in April, the exact date is unknown.