F.Cuz, pronounced as "focus", is a Korean boy band debuting in January 8, 2010 with their first single "Jiggy" [Managed under Can&J Entertainment.] The meaning of the group's name is that the F stands for Four because there are four members in the group and Cuz standing for because. Combining them, together they are F.Cuz (focus) meaning "because the four members will become the focus of the música entertainment world.

There are currently four members:

JinOn
Real Name:Kim Jin Chul
encontro, data of Birth: July 13, 1989
Role: Leader
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YeJun
Real Name: Shim Ye Jun
encontro, data of Birth: February 4, 1992
Role: Lead Vocalist

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LeeU
Real Name: Lee Seung Hyun
encontro, data of Birth: March 20, 1990
Role: Main Vocalist

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Kan
Real Name: Choi Young Hak
encontro, data of Birth: September 30, 1991
Role: Dancer