Leonardo 
Shredder 
Bebop 
Karai 
Ray Fillet 
Usagi Yojimbo 
Metalhead 
Slash 
Michelangelo 
Triceraton 
Muckman and Joe Eyeball 
Mighty Mutanimals 
Splinter 
Donatello 
Foot Clan 
Sewer Samurai Leo 
Undercover Raph 
Rat King 
Ace Duck 
Leatherhead 
Venus
#TurtleTuesday is another spin-off from #MOTUdrawingchallenge on Twitter.
Here is the artwork I have done so far.