Share Yuliya Efimova Calls Out Michael Phelps For Smoking as people bring up Phelps and Marijuana, It causes people to write incoherent sentences on Swimswam. Michael Phelps OG is an indica dominant hybrid strain that’s created through crossing OG Kush X another unknown strain. Although the other parent of this heavy hitting bud isn’t known due to breeder secrecy, this bud is still pretty popular on the market thanks to its super high 22% minimum THC /5(10). Michael Phelps OG is classified as a Indica-dominant Hybrid, which means it will affect your body more than your mind (although this strain does affect both). As with most OG .