James' Growlithe (nicknamed Growlie) is the FireType Pokemon owned by James.
Growlie is actually the nickname of James' Growlithe. It debuted in Holy Matrimony. It later reappeared in The Treasure Is All Mine! which showed more of James' past and why his parents wanted him to marry Jessiebelle. It is still with James's parents, remaining loyal to them. It helped James to run away.