As far as personality, Theresia is quite active and nice, and a little bit neat. But she is quite shy and serious. According to Theresia's SimDNA in SimPE, her hair was blonde before it turned grey. According to her age data, she had 16 days left in the elder life stage when she died. Theresia's facial structure is almost if not identical to the 9th Maxis face template in Create a Sim. She is the only Sim from FreeTime to wear this type of face paint.