Caitlin is a Psychic-type Trainer of the Unova Elite Four, who previously served as a Lady of the Battle Castle along with the Castle's Frontier Brain, Darach. She is usually refered to as "Lady Caitlin". This refined young lady, who possess some sort of psychic power, was once forbidden from battling due to her past self having an explosive temper that would erupt if she lost a battle, causing her psychic powers to destroy things. She overcame her past weaknesses and became a stronger Trainer.