Top 5 TMNT Villians

[Technogeek29]

What are your Personal favorite TMNT villians? With over hundreds of characters and several incarnations who are the top 5 pick of your choice?

Note: if you like a particular version of said character you can mention him/her.
If the character you like as a villian is more of a grey area instead of full blown villian that works to.
If said character was once evil and is now good that is also allowed.
one off villians who never show up again are fine to.

1. Agent Bishop
2. Armaggon
3.Xever
4.OT Shredder
5.Rat King (Mirage)

[MikeandRaph87]

1.The Shredder,mainly because of the 1987 cartoon.
2.The Rat King,mainly because of the 1987 cartoon.
3. Slash-mainly because of the Archie comic,IDW as well.
4.Leatherhead,mainly because of the 1987 cartoon.
5.Armaggon/Agent Bishop- tie

[CyberCubed]

1. Shredder
2. Krang
3. The Rat King
4. Baxter Stockman
5. Karai

[Gin Rummy]

1/ Krang
2/ Shredder
3/ Bishop
4/ Hun
5/ Bebop & Rocksteady - Can't have one without the other.

[Shark_Blade]

1. Shredder
2. Karai
3. Krang/Kraang
4. Leatherhead
5. Bebop & Rocksteady

I kinda consider them as all kinds of iteration, not just one.

[Drose18]

1. Shredder 4kids
2. Krang IDW Only
3. Agent Bishop
4. Rat King OT or 4kids
5. Baxter Stockman 4kids or pre-mutation all except OT and Nick

[RaphAndDonnie]

1.) Shredder (particuarily the OT and 2k12 versions)
2.) Baxter Stockman (Especially the 2k3 version)
3.)Xever
4.)Rat King (particuarily the OT and 2k12 versions)
5.) Leatherhead (OT)

[Garreth]

Shredder
Krang
Baxter Stockman
Beebop and Rocksteady
Traag