"Troll Fan" Barbie commercial from the early '90s: [videoembed size="full_width" alignment="center"][/videoembed] The funniest thing about that commercial is the jingle, which explains what a "fan" is. "Troll Troll Troll/ Troll Fan Barbie/ She's really into trolls." I haven't kept up with Barbie technology, but is it a Thing for Barbies to be fans of other toys? And were trolls even ...