Olivia "Via" Kruk is a young human girl. She lived most of her life in Poland, after her 18th birthday she migrated to the US. She is part of the secret government organization - the Ouroboros order. She hunts creatures that the government hides from the public. She has short blonde hair and dark eyes. She is a tomboy. She is hot-headed and rush, often acting before thinking. In her line of work she earns a nickname "ghoul" after coming back from clinical death more than 3 times. She's cocky.