Whats with the Darmanitan differences?

Question

There is a red Darmanitan and a blue Darmanitan, and they look totally different, why?

EDIT:forgot the sprites
http://pokemon.wikia.com/wiki/Darmanitan
http://pldh.net/dex/monster/darmanitan-mode

Answer 1

Their stats and type - while normal is Fire, Daruma Mode makes it Fire/Psychic.
http://www.serebii.net/pokedex-bw/555.shtml#stats