Park In Soo, better known as Kill, is a South Korean B-Boy. He is a member of break-dancing crew Gamblerz Crew (갬블러크루). He is also affiliated with dance crews CAY Crew (카이크루) and Seoul Skillz (서울스킬즈). In 2013, he performed the lead role in the musical "Ballerina Who Loved a B-Boy."
Kill finished fourth in the 2021 Breaking K Finals and was selected for the Hangzhou 2022 Asian Games. His Thomas Flair 10-combo during the 2021 Uijeongbu Breaking Games started the #killchallenge on Instagram; he completed 31 flares in a challenge on JTBC’s "Showdown."