@drtroubles - I would encourage your friend to take art classes at a community college. There is a lot to be said for tattoo artist training, but I think that having a non-industry specific trade skills are always a nice backup.
If you friend is talented he can get a tattoo apprentice position and further hone his skills. This doesn't generally require any post-secondary education, so that door is always open to a skilled artist. I would suggest he look into other art apprenticeships and see if he can secure other jobs as well. It is always a good idea to have a number of job options.