Twipsy
Twipsy was the official Mascot of the EXPO 2000 World's Fair held in Hannover. Twipsy could be acquired on the EXPO area as Stuff puppet, on T-shirts, Mugs, Watches and other souvenirs, in addition to those with the EXPO logo. Apart from that, stamps showing Twipsy were released, and full-sized versions of Twipsy were running around on the EXPO area and advertising for the EXPO in other countries.