Royal Highness is the first of the Crusaders to reveal himself to the Mew Mews. He is presented as being somewhat vain about his appearance, referring to his own face as beautiful when it is scratched, and another character, Happy Child, says that Royal Highness angers very easily. Royal Highness is seen displaying powers of telekinesis in flashback sequences, though he does not use them within the main story. During the series, he is shown to be capable of mass hypnosis and as having a thirst for blood. His primarily appearance in "a La Mode" is to commence the first attack on Mew Berry by posing as a special lecturer, .