Vectorial illustration with Illustrator
This link will explain the process the author followed at the time of designing by order (from SOSFactory) the mascot in vector format of Twisted Monkey Studios, producers of horror films.

Graffiti Tutorial
A quick and easy tutorial on how to create graffiti style Pics from sketches using Adobe Illustrator

How to Design a Logotype from Conception to Completion
The tutorial covers the complete design process from conception to completion, creating a practical logotype that will work in the real world.