Kellin Quinn is an American singer and songwriter, best known as the lead vocalist of the post-hardcore band Sleeping with Sirens. Born on April 24, 1996, in Mundelein, Illinois, he gained popularity for his distinctive high-pitched voice and energetic performances. The band formed in 2009 and quickly rose to fame with their debut album, With Ears to See and Eyes to Hear. In addition to his work with Sleeping with Sirens, Kellin has collaborated with various artists and bands, expanding his musical influence. He is also known for his personal style and tattoos, which have made him a recognizable figure in the music scene.