Witzkrieg is a quirky brand that is based on a unique theme. Their shirts depict fictional battles between historical and mythological characters such as Edison, Zeus, and Genghis Khan.

Animal Farm Tees is a standard purveyor of humor/slogan/pop culture tees. You shouldn’t expect to find many new concepts in here, although there are a couple of unique designs. Each shirt is custom printed on your choice of t-shirt blank and color.

MyTeeSpot is a pretty large retailer for pop culture t-shirts covering everything from film, comics, and video games to junk food, celebrities, and music.

Crazy Dog T-Shirts is a company focusing on your usual humor/slogan/pop culture/retro-type tees. There isn’t any particularly different about them compared to similar companies, though they do have a huge selection.

Shirt A Day is — you guessed it — a cheap 24-hour-shirt site. They mostly focus on simple (mostly rehashed) slogan/humor style shirts. They have a unique feature where the price of a shirt goes down with each additional buyer.

PalmerCash is a large online clothing retailer with a huge selection of vintage-style t-shirts, in addition to plaids, sunglasses, and other accessories. They stock a ton of other brands in addition to their own line of tees.