Prince Castillan is a minor character of the series of the Battle Day/Exchange Student Zero Saga.


Prince Castillan is as described by the Cartoon Network website, "deeply troubled and self-obsessed". He acts like an gentleman around women.


He has pale skin, white hair, and green eyes. The Cartoon Network website describes his look similar to a Bishonen character. His clothing mainly focuses with a Victorian theme and consists of a cream long coat with some gold details, a purple vest with a cravat, and a pair of white short pants. For his footwear, he wears a pair of long white socks and a pair of purple buckled shoes.


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