Giga is Zull's more intelligent and aggressive little sister. One of her favorite pastimes is harassing Nina. However, sometimes she goes too far and ends up physically hurting Nina, at which point she doesn't know what to do.
When Lucia delivers a painful attack to Giga, however, she is forced to find three new outlets for her aggression, which are Candace, Liam, and, of course, Lucia. However, she later became afraid of Lucia.