Mr NixxxoN

Mr NixxxoN (previously known as nixxxon18) is a size comparison channel. It was created in May of 2006. They made a few space-related videos between May 2008 and November 2009.

Videos
A total of 6 space videos were made during this active period, 3 of which were size comparisons. They have been the source of inspiration for a lot of other size comparisons. They are as follows:

Betelgeuse Surface Video + Going Supernova
A tribute video to the red supergiant star Betelgeuse. It was uploaded on May 10, 2008.

Our Size in the Universe (2008 UPDATE)
December 3, 2008

Planets and Stars Size to Scale (2008 UPDATE)
December 3, 2008

The wonders of the Universe (Zoom in)
February 4, 2009

Planets, Stars, Nebulae, Galaxies - Universe Size Comparison [HD]
March 10, 2009

Zooming into the Universe Wonders HD
November 13, 2009