A-Tom / Kim Sangkyun (JBJ)

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A-Tom is the stage name of Kim Sangkyun in Topp Dogg.

He participated in Produce 101 Season 2 and finished 26th.

After the show, he is a member of JBJ, a group consisted of Produce 101 contestants who didn’t finish in the top 11. In JBJ, he is known by his real name, Kim Sangkyun.