Hey, you should check out my Badass Women of Science collection!

cthulhu mythos Shirts

Sir CritterFancy animals dressed up in top-hats and monocles
ABCs of EvilAdorable monsters and villians from pop culture
Hirsute HistoryHistory told through the hair of the people who shaped it
Teach the ControversyIntelligently designed pro-evolution, anti-nonsense shirts