Jamar Felder (b. March 14, 2005), professionally known as Lilgrinch, is an American hip-hop recording artist and beat producer, born in Galloway, New Jersey.

Grinch first started officially recording music in early 2020. In February 2020, Lilgrinch announced an upcoming project with New Jersey artist Lil Ricey, following the release of their February 2020 track, “South Madison.” The project was set to release in the summer of 2020 but was later delayed due to the Coronavirus.

By October 2020, Grinch would release his first mixtape in collaboration with ReelDeal Recording, titled: Proverbs 9:10. The mixtape includes what is considered Grinch’s first breakout hit, “Fear God,” which had originally released in January 2020.

In November 2021, Grinch released his debut album titled: 407. The album includes ten tracks and features four other artists.