Mark Koob (@markkoob1) has 1.19K YouTube subscribers with a 1.95% engagement rate over the past 12 months. Across 362 videos, Mark Koob received 6.33K total likes and 346K views, averaging 17.5 likes per video. This page tracks Mark Koob's performance metrics, top content, and engagement trends — updated daily. To benchmark @markkoob1 against other accounts, use Socialpruf's YouTube competitor analysis tool.