Katarina is a name of a character in "The Thief Lord" by Cornelia Funke. Everybody calls her Hornet because of her braid so it's hard to catch her real name since she doesn't want anyone to know.
Katarina was a minor character from the anime Sailor Moon. She was a friend of Minako and an Interpol officer who took Minako under her wing while the latter was in London.