Aiden “Mack” Klumb, better known by his stage name Uni X, is an American rapper and singer-songwriter from Houston, Texas. 
 Uni’s music is known for its slow, melodic, and melancholy “emo” sound. It is easily recognizable through his often loud and gruff voice. His lyrics, inspired by personal experience, include themes of suicide, drug addiction, and troubles with relationships. Uni’s vocal style ranged from rapping, singing, and screaming. Uni’s influences include Lil Peep, blink-182, and Eminem. 
 Uni is part of Wasted Youth, a clique which consists of Kid Rxse, Lil Wallflower, Syxteen, Xantana & Contra$t.