. >> reporter: his real name felix kjellberg, currently has the most popular channel on youtube with over 40 million subscribers. his videos now seen over 10 billion times. when the numbers started to climb though, i mean, it must have been a little mind blowing for you. was it? >> i never expected it. i never been the popular guy or whatever. to all of a sudden be in this situation where there's so many people who loves what you do and appreciates what you do, that's amazing. i couldn't be happier about it. >> reporter: it all started five years ago when the swedish gamer began uploading videos of himself playing games along with some colorful commentary. >> it's at least 7.5. people watch for many different reasons. maybe you watch someone else play the game because you want to learn about the game. kind of like you watch sports, i would say. for me it's different. no one watches me to get better at games. people watch me to just be entertained and feel like they're hanging out. >> never let go. >> you're like their friend. you're hanging out with their -- they're hanging out with