HI and welcome to the forum! I'm your friendly neighborhood moderator, Doodle Bug!
This looks awesome but before we can accept it, it looks like it isn't quite long enough, you are missing the rp segment, half metallic ponies aren't allowed unless you meant it looks really shiny, almost like metal, (I apologize ^_^') and the electronics of that time aren't as advanced in pony times (as seen in the show). Also, the Pony species section means: Nonstandard, Unicorn, Peg, earth. But with the creation of your first OC, you need special permission to create a nonstandard. :/
I'd love to see this Character though! (the picture is optional but it'd be interesting)