Scottish TikTok star and comedian known for his comedy sketches and pranks that often feature popular TikToker Steven Mckell. He also posts comedic lip sync, energetic dance, and unique snack content. His callumsmart4 TikTok has over 340,000 followers.' He posted his first TikTok in December 2019. In the comedic video, he lip syncs to a song by Celine Dion.