Guillermo Del Toro's Pacific Rim has released its WonderCon footage online - and it's full of giant monsters, giant robots and giant monsters punching giant robots. But while Del Toro's influence is finally evident in the design of the Kaiju (it's hard not immediately start playing spot the suspiciously-familiar Gojira-era creatures), the thing I'm most excited about? Charlie Day.

I never thought I'd say that about any film, but after watching It's Always Sunny in Philadelphia, I've become a fan. And, judging by his bespectacled appearances in the latest Pacific Rim trailer, he isn't too screechy.

Here's the video: