What is this type of design called?

[Shaneuk]

Any ideas?

 

[LeviG]

I'd say character illustration but the picture is a little small....

 

[beowulf70]

A cartoon character?

 

[ezekielrage_99]

Bad acid flashback?

 

[brisbaneguy29]

Cartoon illustration?

 

[Jaffa Cake]

I'd say illustration – and if you're looking for a possible source, that looks very much like David Lanham's style.