Vampiric leader Drayton

Vampire, leader of a coven that resides in a castle buried in the wilderness

Dark type gym leader, on of the hardest trainers to beat

Was requested to join the elite four but declined in order to stay with his vampiric family

Are pokemon is Allister the zoroark, who has a purple mane due to a genetic mutation 

Devoted to find a wolf that he hears howling at night, eventually tracks down the source of the howling and discovers it to be a werewolf pokemon trainer by the name Dean (my trainersona)

Falls in love with him and the two spend their time traveling and training together

Good friends with the ghost type leader Allister