Appearance. Gowther is a male demon who looks like he is in his forties. He has dirty blonde hair, and a lightning shaped cowlick in front of his right eye. His demon mark is a black mark that goes above and below his right eye.

Is Gowther a demon or a doll?

Gowther is a doll who, according to Merlin, was created by a great mage from long ago. Designed to be an extension of his creator with the outside world, he was once a member of the Demon Clan's Ten Commandments, the group of elite warriors that served directly under the Demon King.

How did Gowther turn Mael into a demon?

Mael is so powerful that after Meliodas' betrayal of the Demon Clan, to perverse the balance of power, Gowther was forced to convert him into Estarossa in order to tilt the power balance of the war in favor of the Demon Clan, forcing the Goddess Clan to perform the Coffin of Eternal Darkness.