Studies of the first character Mr. Bone
At the beginning I was thinking about a story with two zombie characters that play chess or try to win a running race. So I started to do sketches of zombie heads even possible female zombies. Looking also to some photo references.
Later I decided to completely change the story creating two different characters. A skeleton called Mr. Bone and a human called Andrew. So I've started to do sketches about the possible head of Mr. Bone, possible clothes, like mariachi or more normal clothes. Using also some references from photos of skeletons.
But then I've decided not to use the mariachi costume, because it is an abused stereotype. So the final design has a normal suit. As you can see below.
Studies of the second character Andrew
With Andrew I've tried different shapes, taller, thin, fat, muscular, even doing as a female but I've preferred a man, also to make the story more comic. And I've also looked different type of clothes looking which one was better.
Then I have decided for these type of clothes trying different colors with pencils on Andrew, the second character.
Chosen the colors I've redefined Andrew and here we have the definitive.
And here we have both characters together.