He is trying to make a fast buck online. No phalloplasty can give more than marginal gains in length upon severing the suspensory ligament. There are various ways-- including dermal grafts and silicone-- to increase girth. Note that in every video he wears clothes and carefully restricts view of the base; particularly the upper-half of his organ. That or he's in silhouette or in some photo or video where there isn't a careful, close inspection of his penis' texture or base.
Today there are state-of-the-art prosthetics, some including testicles, that look realistic enough to fool the unsuspecting viewer. He obviously has several prosthetics on-hand because they even change skin shade. He's an uncircumcised African-American with a circumcised Caucasian penis in one.
I wonder how lucrative a gig this guy has using Twitter? Having been banned, Donald Trump would be envious!