Oseni Saheed Muhammed

About

Nigerian calisthenics powerhouse, fitness enthusiast, Instagram star, social media star, and fitness instructor who has earned nicknames such as "Nigerian Superhuman" and also frequently goes by the pseudonym "Dark Hero."

Before fame

His passion for manga and anime motivated him to take up calisthenics, aiming to develop the kind of physique often depicted by its characters. His transformation took place over the course of six years.

Trivia

In September 2025, he launched a video series where he takes on strength challenges suggested by his followers. His darkhero_official Instagram account, which has attracted over 500,000 followers, features impressive displays of strength and advanced calisthenics moves such as two-finger push-ups, knuckle balancing, and handstand push-ups.

Family life

He has several pet cats, including one named Goku, who he refers to as his "kids."

Associated with

He and Frank Medrano are both popular calisthenics influencers.