Alright controls: Right/left: Run. Up arrow key: Jump. Z: Proceed through dialogue. X: Shoot.
Credit to @technoboy1 and many others. Forewarning the opening cutscene to this boss is a wee bit long so I'm working on making it skippable after you play it the first time through. This boss is rather tough compared to my usual creations so it may take a while to beat it.