Donatello

Donatello (Don, or Donnie in short) is one of the Ninja Turtles' siblings, and one of the primary protagonists of the eponymous series, Teenage Mutant Ninja Turtles. Named after the greatest Italian sculptor, Donatello, Donatello is the intellect and brain of the group, always demonstrating new scientific ways and developed machinery works, to help his brethren, at the best way he can. The 2003's version of the character is stated to appear in the second Heroes vs. Villains War.