Keyhole. As in keyholing your shots. Ranger works for both hunting and range day Tuco. "When you have to shoot, shoot don’t talk" Boris Burris if you feel Iike advertising every time you call him Jinx
A small boy... call him Artillery Hold and shorten it to "Arty". After all, he doesn't need to be held in a death grip when picked up, just supported gently while he does his thing...