PETER x SEKKO SOZIALE T-Shirt - Bio Unisex T-Shirt "Peter has tried many things"Peter x SEKKO SOZIALE. Peter tried many drinks. Peter found Sekko Soziale. Peter has not tried anything else. Peter was created by Marius Jopen a Berlin based visual artist working and teaching in the field of AI. Peter started as a cute hand drawn character and slowly came alive. A small companion for a big, complicated world. Aneta Vakelyt is a Berlin based creative who worked on the merch, and has been thinking about how to get Peter out into the