The t-shirt deal of the day over at RIPT Apparel is called “Dark Lord Happy Hour,” inspired by the dark lord villains from Star Wars, Harry Potter, and The Lord of the Rings.

The tee, by artist spacemonkeydr, went on sale at RIPT today, Tuesday, March 29, 2011, at midnight CST, and will continue for 24 hours from then, and once it’s over, it will not be sold on the site anymore.

The t-shirt is available in men’s and women’s sizes for $10 each in black. Kids sizes are $15 (Boys, Girls, Toddler in black); Onesies are $18 (in black). You can also get the design on a Hoodie for $38 (in Men/Unisex sizes in black).

Here’s what the artist said about the design:

“So, 3 Dark Lords walk into a bar”¦Stop me if you’ve heard this one?”

Hey, even the bad guys gotta have good times once in a while. Especially since they tend to get beaten in every story! I thought it would be hilarious to picture all of these classic bad guys, who all coincidentally go by “The Dark Lord” at some point, sharing a drink together. They have to have plenty in common afterall”¦I envisioned Vader as the angry drunk, Voldemort as the prankster, and poor Sauron as the quiet one.

What do you think of this design?