As a Co-GM here is my self approved CS...

Optimus Prime
[img=http://38.media.tumblr.com/70cf7cb9a1985149959cf4054f9f85b0/tumblr_mxan2nqYxW1t1b8kyo3_1280.jpg]

Optimus Prime's Origin

[youtube]7by66ulQa_o[/youtube]