Jack Spero

Jack Spero is a well known Algicosathlon creator,he is one of the most famous Algicosathlon creators along with Carykh, John Dubuc and Erikfassett.

His Algicosathlon is infamous for Day 1 which started the "Magenta Curse"(Wuhan COVID-19), something which would become very popular among the algicosathlon/marble race community. He has also made several other projects such as Marble Races. He recieved a lot of backlash when Black won his Algicosathlon instead of Cyan.