Mirajane, a motherly waitress and cover girl of the guild, and Elfman, a large man obsessed with spouting speeches about "manhood", are two siblings who specialize in the "Take Over" style of magic, which allows for the user to transform into any monster that they have defeated. Mirajane's name comes from a video game Hiro Mashima was playing while he created her. After Lisanna, their younger sister, sacrificed herself to return Elfman from a unsuccessful transformation, Mirajane, originally an S-class wizard, lost her will to use most magic, and Elfman became unable to transform anything more than his arms. Elfman eventually becomes able to fully transform in order to save his older sister, and Mirajane is able to unlock her abilities after seeing Fried mercilessly attack Elfman. Mirajane is initially only able to use basic transformation magic, but after regaining her abilities, she is able to use water magic and a demonic Take Over form.