Four Crazy Days of Robert Kirkman: ‘The Walking Dead’ Creator Visits NYCC, MSG and Talks Rick Grimes Fighting Aliens?

Robert Kirkman is a pretty big deal these days. The creator of The Walking Dead comic book series has led his characters to their horrific deaths while amassing tons of┬áregular readers and record viewers on the AMC show based on the comic. This past weekend was kind of a big one for Kirkman, a 36…