Can wild animals even use ninjutsu? They mostly just use their natural talents, right? Maybe you can attach tiny blades to his feet for extra traction and so it hurts someone if he were to climb on him.

You should call him after something that's important to you, but don't copy me and make it Youth like my turtle's name! [ OK LEE THIS TOWN IS ONLY BIG ENOUGH FOR ONE SMALL ANIMAL CALLED YOUTH... ]