Elfman (エルフマン Erufuman?), also known by the nickname "Beast Arm Elfman" (ビーストアームのエルフマン Bīsuto Āmu no Erufuman?), is Mirajane's younger, 18-year-old brother. He is a large and well-built man who is obsessed with spouting speeches of "manhood" through pride and physical strength, but is also very kindhearted and emotionally sensitive. Like Mirajane, he specializes in using a form of Take Over magic called Beast Arm (ビーストアーム Bīsuto Āmu?), which allows him to absorb the power of any monster he defeats and transform his arm into that of each monster. He is also capable of performing Beast Soul (獣王の魂(ビーストソウル) Bīsuto Sōru?), which transforms his entire body into that of a large horned monster. However, his first attempt at performing this spell two years prior to the series caused him to briefly lose his mind and go on a rampage that wounded and apparently killed his younger sister, Lisanna. He harbors a tremendous amount of guilt over causing Lisanna's "death", though no one blames him for it. Similar to Mirajane, the emotional trauma he suffered from the event limits his magic power so that he is only able to transform his arm at the start of the series. He regains his full power to rescue Mirajane from Phantom Lord, after which he is able to control Beast Soul and uses it regularly. He is voiced by Hiroki Yasumoto in Japanese and Christopher Sabat in English.