Globally, it's a sequel of this: https://www.youtube.com/watch?v=UClQyFTPo8s
Ah, and happy (late) birthday, Jetty! ;-3

Just to make sure, Shadow Jet is a gentlecolt ;-)

Credit:
https://www.youtube.com/user/Jet30001 (in the vid)
https://www.youtube.com/user/EonsDarkLatios?feature=watch (for most of jokes)
https://www.youtube.com/channel/UCxUf0Zt1S9iC6oElnv6WNdA (for Spaps)

Pics:
http://www.deviantart.com/art/Robo-Derpy-373634067
http://mikolajmieszko1.deviantart.com/art/My-little-dream-432772057

Music:
Dawn to the Dead - The Gonk
Skullgirl OST - Anti-Skullgirl Lab 8 Stage
I like to MOO
Štaflík a Špagetka (main theme)
Pat and Mat (main theme)
ytbunit - Fort Greene Bossa

The rest of the music comes from the episode "Żeby kózka nie skakała"  of the polish series KOZIOŁEK MATOŁEK.