James William Marriott is a Swiss-born English musician and YouTuber. He is best known for his 2025 No. 1 UK-charting album Don't Tell the Dog and 2026 Top 40 single “California Rain”. Earlier, he charted at No. 17 on the UK Albums Chart with Are We There Yet? and No. 67 on the UK singles chart with "I Don't Want to Live Like This".