If they are good at it, you can call them an artist. There doesn't seem to be a name for people who are addicted to painting. There are people who are addicted to painting specific things, such as people addicted to applying nail polish. These things would fall more into compulsions, since they are not dangerous activities and don't directly harm others.
Then there are people addicted to inhaling paint. Those would be huffers and inhalant abusers, and that is a serious addiction.
You call them a nymphomaniacs.
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One thing that you can call a person that is addicted to computer programming is a computer nerd. A computer nerd is always on the computer.
One thing that you can call a person that is addicted to computer programming is a computer nerd. A computer nerd is always on the computer.
a veggie holic
a workaholic
RICH
A nerd
A person who really likes wine is called an oenophile. However this term does not imply that the person is actually addicted to wine. A person who is actually addicted to wine is simply an alcoholic.
A walking dictionary?
a person whos addicted to material things and whos stupid and is taciturn.
A person who is addicted to news is often referred to as a "news junkie." This term describes someone who is constantly seeking out and consuming news content, often to the point of obsession.