Chalawan is a thousand year old crocodile demon that first appeared in the 1980 Thai movie Krai Thong. He also appeared in it's 1985 sequel Krai Thong 2 and in the 2001 remake of the original movie with the same name. Chalawan also reappeared in the 2005 sequel of Krai Thong 2001. He is Krai Thong's strongest opponent.
- Human form (Chalawan has the power to change himself into human)
- Great strength