No — Colin Gray's handedness is currently unknown, as no reliable public source currently confirms his left-handedness.

Colin Gray is an American musician, best known as the lead vocalist and bassist for the influential indie rock band The Get Up Kids. Hailing from Kansas City, Missouri, Gray co-founded the band in 1995, becoming a key figure in the mid-1990s emo and pop-punk scene.

The Get Up Kids achieved significant recognition with albums such as "Something to Write Home About," which became a defining record for many fans of the genre. Gray's distinctive vocals and songwriting contributions helped shape the band's sound and lyrical themes, often exploring introspection and youthful experiences.

In addition to his work with The Get Up Kids, Gray has been involved in various other musical projects and collaborations. He has explored different sonic landscapes, showcasing his versatility as a musician and artist beyond his primary band.

With a career spanning several decades, Colin Gray continues to perform and record music, maintaining a dedicated fanbase. His legacy as a pioneer in the indie and emo genres remains strong, and he is widely regarded for his contributions to contemporary music.