Estonian YouTuber most well known for his MarttiHallikTV channel where he has gained more than 20,000 subscribers creating pranks, vlogs, and challenge videos.
Opened on September 6th 2015, he posted the first video to his YouTube channel, "Smoothie Challenge Koos Kaspariga," that same day.
In addition to YouTube, he has also built a following on Instagram where he has more than 30,000 followers.
He has a sister named Ragne.
Fellow Estonian YouTuber Rauno Raiesmaa appears in his March 2016 video "EESTI YOUTUBER WHISPERS CHALLENGE II."