diane (nanatsu no taizai)

Diane is the Serpent's Sin of Envy in The Seven Deadly Sins, a giantess warrior who fights with earth magic and a massive war hammer, and who is openly devoted to Meliodas. She is drawn with brown hair in long twintails, purple eyes and a cheerful face. Her usual outfit is a green leotard with a belt, worn with fingerless gloves and knee high boots.