Default Cube – the same dude from CGMatter. To be honest, I am not too sure why there is 2 channels – I think this channel is aimed at more simpler Blender 3D tutorials while CGMatter is more VFX and how to use Blender for other things other than 3D… he does explain this a few years back. 

Check out the work. Share some of your work if you make any of the same things.