Cheesy Hfj is an American musician, animator, and voice actor born in California, United States. He began posting instrumental music content in 2019. Cheesy Hfj released his first EP, The Microscope, in 2020, and is still consistently releasing instrumental albums and EPs. His musical style consists of a dynamic mixture of real instruments, MIDI instruments, and samples.

Cheesy Hfj is best known for writing, animating, and producing YouTube animated web series ONE (commonly stylized as HfjONE), which he additionally composed the soundtrack for. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.