Cheesasaurus Rex is this character´s name developed by people living in Australia, they done a nice job in Blender and other tools like  zbrush, Max and Photoshop.

This is a very interesting modeling tutorial to create characters (although it´s not a Blender tutorial).

It explains how to build the basic parts of a character of a simple model, really useful for begginers.

Cartoon Character Body Modeling Tutorial - Part 1

Cartoon Character Body Modeling Tutorial - Part 2