http://cg.tutsplus.com/tutorials/blender/character-modeling-in-blender-basix/

Character modeling can be a daunting field to get into. Developing a solid character with good design and proper topology takes a lot of work. This tutorial provides an introduction to the many aspects involved with modeling a character in Blender for beginner artists.

Topics covered in this tutorial include:

  • Transform basics
  • Extruding
  • Mirror modifiers
  • Setting background images
  • Dividing the workspace
  • Topology