Bionicle (obvious, though lately I haven't been into it, for reasons that are also obvious), Transformers (Movies, WFC/FOC, Prime), Halo, and some other stuff.
Oh, were you expecting this to be longer? It was before, but it was also out of date at that time. So, which would you prefer? :P
Easily my worst April Fools joke ever. My best was the time I faked a phone call saying I had been arrested for street fighting. That one actually worked.