Necessary? Is it necessary for me to drink my own urine? No! But I do it anyway, cause it's sterile and I like the taste.
(When questioned on learning how to dodge balls) That's what this sack of wrenches is for. If you can dodge a wrench, you can dodge a ball! (Throws wrench at Justin, hitting him square in the face) Any other questions?
This may be just a hunch... but I feel that Might Guy (Naruto), Yogi Berra, and him are very similar types. I can't find a good source of videos featuring exclusively him for your viewing purposes unfortunately.