Houdini 9 comes with a ready-to-animate Toon Character at the click of a button. The rigging is really nice - quick and easy to use too. Here's a run cycle I created with that character.
Here's the Toon Character from Houdini 9 running along a curving path. It's part of an internal Halloween project we're working on at the moment.
In this lip synch test of the Nurbs head I built in Maya4.0, the song is "I'm Super" from the South Park the Movie Soundtrack. Made clips for all the phonemes and laid it all out in the trax editor.