What villains have been in every iteration?

[electric_sheep]

Originally Posted by turtlefanforever

There's Baxter and Shredder in the comics and every other cartoon. (Not counting movies) and Karai even though she wasn't in OT. Who are the true main villains and ones that have been in every iteration (comics, and tv shows) you can even exclude the new show cause its still pretty green, and some of you may not count it as part of the franchise which is understandable.

Oh boy are you gonna get a lot of hate for that last sentance. Who was always there? Rat king? No, no he wasn't in the movies, or idw. This is a tough one...
Shredder is the only one who consistently shows up everywhere...