He basically started by using a camera his parents would never use. He started to film himself doing silly things like lip syncing and dancing crazily. He got some friends to help him film. Eventually, his friends got bored of filming and decided to to something else after school. He then met Alexander Justine Burris who helped him film stuff. Here is an example of their video.

[There should be a GIF or video here. Update the app now to see it.]

The one playing the piano badly in the beginning is Alexander Burris. The other one was Roi Fabito. This is an old film they made back in the day. If you are wondering what song they were lip-syncing to, it's called "Best Friend" by toy box.