Here is some deeper information from a creator standpoint
Masterpiece Shafter (Filmed July 2014 before his public release):
https://www.youtube.com/watch?v=gq1pEFONIIA
Masterpiece Axis (Filmed October 2014 before his public release):
https://www.youtube.com/watch?v=iaSSNv0ZTiA
TFcon Strongold (Review by Optibotimus because I did a review on Toxin of that year instead)
https://www.youtube.com/watch?v=nMohm6HlgBo