Kleptomaniac n. : A person affected with kleptomania.

Example:
How do I make my Kleptomaniac Sim steal things in the Sims 3?

Taxonomy
Kleptomania, patients, steal, OCD, disorder, kleptomaniacs, Comprehensive psychiatry, comorbidity, PMID, free encyclopedia, treatments, obsessive-compulsive disorder, medication, co-occurrence, Psychiatry, theft, compelled, naltrexone.

Defination from the web:
kleptomaniacs may not even be aware that they have committed the theft. ... Doctors in the US have been treating diagnosed kleptomaniacs with mood-altering drugs such as Prozac and Seroxat, on the presumption that ...