Wikipedia:Bitto (singer)

Lee Chang-hyun (Korean: 이창현) or stage name as Bit-to (Korean: 비토), is a South Korean rapper and songwriter. He debuted in 2015 in boy band UP10TION based in South Korea.

Pre-Debut
Bit-to was born on August 24, 1996 in Dongducheon, South Korea. He attended Dongducheon High School.

Between 2013 and 2014, Bit-to studied at Def Dance Skool which helps future K-pop artists, locate in Seoul, South Korea. He passed a FNC audition before joining TOP Media. He was a trainee for 1 year and 6 months before joining Korean boy band UP10TION. In July of 2015, Bit-to was first introduced on a parody version of King of Mask Singer titled Masked Rookie King which included all of the UP10TION members. He was the fourth member to join the group.

Career
On September 10, 2015, Bit-to debuted with UP10TION with the group's first EP "Top Secret".

On September 21, 2016, Bit-to was a contestant on Hit the Stage. He was introduced on Episode 9 but was eliminated that same episode

On January 10, 2019, Bit-to alongside his bandmates Kuhn and Lee Jin-hyuk collaborated with R&B group SOULSTAR in "Find The Way".

On August 8, Bit-to featured in Hyun Woo Yoo's "ANALOG".

On November 29, Bit-to was diagnosed with COVID-19. He was no longer contagious on December 15.