- Jokerz Performance Jokerz is an indica-dominant hybrid weed strain made by crossing White Runtz with Jet Fuel Gelato. Jokerz effects are believed to be more relaxing than Jokerz is an indica-dominant hybrid weed strain made by crossing White Runtz with Jet Fuel Gelato. Jokerz effects are believed to be more relaxing than those of other strains due to its strong indica lineage. Users often report a