I think that that there are many types of web comic creators.
Here are some.
1-Learning hobbyist (possibly under age or still in school, learning the trades, just having fun).
2-Hobbyist (has a different life and responsibilities and creates comics just for fun. No expectations of the comic developing into something more).
3-Semi-Pro (works on the sidelines of comics, would like to be published, hired, work on serious projects, dabbles but has contributed to a few small projects).
4-Professional (whether full time or not, creates her/his comic seriously to gain an audience. Picked web comic as one format but may be just as easily move to print and back and forth. May be a pro in other related fields, such as design, animation, television, film, education).
Which one are you?