A.B.C-Z (エー.ビー.シー-ズィー, ee.bii.shii.zii) is a five-member Japanese boy band under Starto Entertainment. The group's former name was A.B.C., which stands for Acrobat Boys Club. It was changed to A.B.C-Z after Ryosuke Hashimoto was moved to the group from J.J.Express in 2008. Due to the Japanese pronunciations of their name, the fans usually refer to them as "Ebi". The group was a former Johnny's Jr. unit. They debuted February 1, 2012, with their DVD Za ABC ~5 Stars~.
Source: “Fumito Kawai”, English Wikipedia (CC BY-SA 4.0), excerpt