It is a trap metal and techno-punk song produced by Kelly, BazeXX, and SlimXX with additional writing credit by Corpse Husband.

The song garnered commendable success despite being censored on several platforms & playlisting, charting at number 53 in the UK, and 88 in the US, becoming Corpse's first entry on the Billboard Hot 100.

[2][3] "DayWalker" was written by Corpse Husband, Machine Gun Kelly, Stephen Basil, and Brandon Allen, when the latter three produced the track.

[5] In the United States, "DayWalker" debuted at number 88 on the Billboard Hot 100 on week ending March 27, 2021, becoming Kelly's twelfth and Corpse's first ever entry on the chart.

It stars Machine Gun Kelly while Corpse is portrayed by his friend and frequent collaborator, American Internet personality Valkyrae.

The sixth and final act features close-ups to both performers' faces, with Kelly having his mouth slashed open from ear-to-ear.

[5] Billboard's Gil Kaufman called the music video "hyper, frantic visual that matches the song's hectic beat," and commented on Machine Gun Kelly's make-up from the sixth act as it was resembling the Joker.