Sheldon Coopers Batman Symbols Variations Shirt

I like this one a lot. It's a list of 15 different classic variations of the Batman logo all on one shirt. This shirt can be found both at SuperHeroStuff.com and at the Amazon link found below.

Super Hero Stuff

Featured on The Big Bang Theory episodes

S08 E06: "The Expedition Approximation"
S12 E11: "The Paintball Scattering"