Edited sentence: Due to a switch in time slots, the online Invader Zim fandom "declared war" against the Butt Ugly Martians.Many thought that the show had poor animation, especially for its coming out during a renaissance of computer animated sci-fi films.Some complaints even surfaced that the original episodes of ReBoot looked better.The Invader Zim fanfiction category on Fanfiction.net, for example, was flooded with fics where the Butt Uglies died senseless and painful (although some admittedly funny) deaths