Joel Gustaf Berghult (born 8 April 1988), better known as Roomie, is a Swedish YouTuber, singer-songwriter, and producer based in Los Angeles, California.

He is best known for his YouTube channel RoomieOfficial, which consists of music commentary, original songs, covers, comedy, and more music-related content. He has posted several viral videos and collaborations with PewDiePie (Felix Kjellberg), TheOdd1sOut (James Rallison), and Boyinaband (David Brown). His most popular video is "One Guy, 43 Voices (with music)", featuring vocal imitations of popular singers such as Justin Bieber, Charlie Puth, and Brendon Urie. His main YouTube channel has 7.53 million subscribers as of June 2024.

In 2020, while on a hiatus from daily YouTube uploads, he started to release music under the name Lil Pitchy.