Various Okinawan karate grandmasters

 The image shows a collage of portraits of various Okinawan karate grandmasters. The masters shown are associated with the development of different karate styles, including Shuri-te, Tomari-te, and Naha-te, which are all indigenous Okinawan martial arts. 

The masters featured in the image include:

Ankō Itosu (1830–1915): Known as the "father of modern karate," he was instrumental in introducing karate into Okinawa's school system.

Kenwa Mabuni (1889–1952): The founder of the Shitō-ryū style of karate. He was one of the first Okinawan masters to introduce the art to mainland Japan.

Gichin Funakoshi (1868–1957): An Okinawan grandmaster often considered the "father of modern karate" who founded the Shotokan style. He was a key figure in making karate popular in Japan.

Chōjun Miyagi (1888–1953): The founder of the Gōjū-ryū style, which combines both hard and soft techniques.

Sōkon Matsumura (1796-1893): A master of the Shuri-te style.