Mikey

Mikey (Milko (ミルコ Miruko) in the original Japanese), is the younger brother of Alister (Amelda). In the original Japanese, Mikey is killed when a tank he boarded was blown up. In the English anime, Mikey was captured. In the original Japanese, this serves as the basis of Alister's quest to avenge his brother. In the English anime, his capture serves as the basis of Alister's quest to get him back.