ZTHING, sometimes just called Z, is a friendly mapper who joined NUMA in the middle of 2009. His first maps were quite poor. After escaping "the Noob-Trap-Cycle" with help from RadiumFalcon, he started to improve gradually, and began posting much better maps. ZTHING enjoys posting demos on maps submitted to NUMA, especially speedruns. ZTHING is also know to post many death demos. He is known to have a fondness for anything toxic, poisonous, biohazardous, or radioactive and enjoys entering the monthly NUMACON. Z is considered to be one of the best new mappers of 2009 and has two featured maps to date: Asphyxiating Slowly and At Night the Forest Glows.