Twipsy is going to be one of two things – it can either be a Bootstrap plugin, or a character / animated / mascot.
Twipsy the Mascot
Twipsy was the official Mascot of the EXPO 2000 World’s Fair held in Hannover.
Twipsy for Bootstrap
Twipsy’s tooltips can be custom styled via CSS and their behavior can be controlled via JS parameters. This includes position, animation type, offset, title, trigger, content templates, etc..
To quote them Twipsy is
A new take on the jQuery Tipsy plugin, Tooltips don’t rely on images—they use CSS3 for animations and data-attributes for local title storage.