Mediaite has combed celebrity sites, media soirees, and the viral web to assemble some of our favorite costumes of Halloween ’09. In our travels, we’ve come across Heidi Klum dressed as a raven, Nick Douglas dressed as PostSecret, Jon Gosselin dressed as a shallow celebrity tabloid cover (!), and much, much more:

The SNL sketch “Biker Chick Chat” from last weekend’s season opener got a lot of attention thanks to newcomer Jenny Slate’s F-bomb. But what didn’t get attention: the frickin’ bikes, dude! As it happens, we at Mediaite are totally into bike culture, and we noticed the dearth of actual bike chat immediately, ’cause we’re good like that. But it’s also because we learned at an early age that bikes were C-O-O-L. As it happens, Biker Chicks are too. So before SNL rocks the FCC anew tonight, here’s our pick of the best biker chicks around.

Human Events confirms that longtime conservative columnist and pundit Robert Novak has died at the age of 78. Novak was diagnosed with brain cancer last August, which prompted his retirement.

Novak’s column was syndicated by the Chicago Sun-Times for more than 40 years. In a moving obituary, the Sun-Times editorial board highlights the journalistic qualities that elevated Novak above the rest of the political commentariat: