Donatello

I decided to redesign some TMNT characters to go along with my redone April: [link]

All of the turtles are trained with deadly weapons and fight others equipped with them, so they must be kind of scarred up.

Here's Donny, team tech and communication expert. He's got a bo staff and is generally accepted as the egghead of the group. Any inventions used by the turtles was probably created by him.