He made his first appearance in "Project Loud House", where he tries to help Luna to load her amplifiers and instruments inside of Vanzilla's trunk, although he did not speak.
Chunk is often seen hanging out with Luna, whom he seems to have a good friendship with. He often helps her with her equipment when she is getting ready to perform. He does not tolerate unsanitary conditions.
He appears to be very strong, as he is strong enough to pull a piano to the Loud house's second floor without assistance, as seen in "Roughin' It". He has a fairly thick accent.
Appearance
Chunk is a large burly man with a big pierced nose and a balding scalp. He wears a white tank top with a black vest with fringes, buckled jeans, and black boots. He also sports a purple checkered newsboy cap, and a bracelet on each wrist. There is a purple tattoo with a heart and crossbones on both of his arms.
Involvement
In "Roadie to Nowhere", it's revealed that he was born as Chester Monk in London, England. He immigrated to Royal Woods and studied in Royal Woods High School. He lives in a flat. He eventually founded his own band Chunk and Pieces. One day he met Luna Loud and agreed to be her roadie.
In "Project Loud House" he was helping Luna in packing her music staff to Vanzilla. Lincoln told Luna there should be no extra passengers, so Luna told Chunk to stop. Chunk left in sadness.
In "Overnight Success" it's revealed Chunk was a bouncer on Luna's overnight party. Not realizing Lynn Sr is Luna's father, Chunk kicked him out of the house, because he wasn't on Luna's guest list.
In "Chore and Peace" Chunk was helping Luna with her song, but he left because Luna's room was too much insanitary.
In "Roughin' It" Chunk tried to deliver piano to Luna's room, but too late he realized window to Luna's room is too small to move the piano through it.
In "Really Loud Music", he accompanies Luna when the latter writes a song for a contest.
In "Band Together", when Luna refuses to go on tour with Katie's band, Chunk does instead.
