David Letterman

David Letterman gave the world many things during his years as a late-night talk show host, but today, I believe we have found not only the greatest, but also the perfect way to kickstart your Independence Day weekend: Batman, in full costume, singing "God Bless America" in front of the American Flag while fireworks go off around him. Seriously, no matter what kind of cookout you're planning, it's not going to get better than that.

Toys: A new The Avengers movie action figure display at the Toys"R"Us store in Times Square sees the team squaring off against Loki's mystery army. Corporate: NMA and its crazy videos aren't going anywhere, apparently. Thank goodness! TV: To celebrate Earth Day, Boomerang will host a Captain Planet and the Planeteers marathon on April 22...

The Late Show With David Letterman hosted Spider-Man: Turn Off the Dark's villains for a robust performance of the Green Goblin's "Freaks Like Me Need Company" a few weeks back and man, was it suitably freaky. At this point most fans have made peace with the musical's bizarre costumes -- you've got to make things larger-than-life on stage, right...

Yesterday, Harvey Pekar was found dead in his home at the age of 70. For decades, while working as a freelance jazz critic and as a file clerk at a Veterans Administration hospital, Pekar published the irregular comic book series "American Splendor," an autobiographical series that featured his everyday experiences and often featured his commentary on politics and music...

Perhaps you've been following the David Letterman extortion/sex scandal. Perhaps you caught his on-air mea culpa, where the late night host apologized to his wife, his staff, and even Sarah Palin. But there's one more person to whom David Letterman owes an apology: A poor, hapless supervillain whom he publicly shamed on his NBC "Late Night" show way back in 1984...