Oh boy I love games!
First of all, BRAVO for your twist upon a twist! I thought your joke of "Oh, the "Twist" in my game is a "Twister"" was a funny take on the theme, then you just pulled the rug out from under me by having the tornados go full Dark Souls and splitting up! A+ on the theme buddy!
The music also helped in the twist reveal too, having it speed up to indicate "Ok, we're not going to mess around anymore" each time the tornado split was a great creative choice!
While I didn't really get a "SNES vibe" from the visuals like you describe them to be, I did like the fact the tornado gradually destroyed the environment when it was on!
The only knock I have on the game is that I had to actively find the tornado at first. When I did, staying at the beach where I started felt like an almost too good a hiding spot.
Amazing double twist though!
-R.C. from Duppy Games