"Hobgoblin" (KR: 도깨비; RR: dokkaebi) is a song recorded by South Korean girl group CLC. It was released by Cube Entertainment and distributed by Kakao M on January 17, 2017, as the title track from their fifth extended play Crystyle (2017).

The song is credited as a turning point for the group with a darker and sexier image than they've showed in the past.

The song was written by Hyuna, Seo Jaewoo, Big Sancho and Son Youngjin, and produced by the later three.^[1] It was also revealed that member Sorn contributed to the lyrics, but this remains uncredited.

Billboard described it as an EDM trap song and a sonic sequel to 4Minute's "Crazy", noting its "frenetic snares" and "dramatized raps".^[2]

The song was released in conjunction with the EP on January 17, 2017, through several music portals, including MelOn and iTunes.^[3][4]

The song topped the U.S. iTunes K-pop chart shortly after the release.^[2] The song peaked at number 4 on the US World Digital Singles chart, their first single to achieve it. The song is their best-selling song in the U.S. with 9,000 copies sold.^[5]

The music video was also released on January 17. Singer Hyuna acted as a creative director for the music video and helped orchestrate the choreography for the song.^[2]