A martial arts prodigy who began performing with his father’s demo team at the age of 6, Reyes Jr. had an epic fight scene with Dwayne “The Rock” Johnson in the movie “The Rundown,” and was cast twice in the popular CBS TV series “NCIS: Los Angeles” as a Gurkha – a group of elite Nepali warriors described as the fiercest fighters on the planet. He displayed his extensive martial arts skills in the role of Donatello, the purple turtle in the original “Teenage Mutant Ninja Turtles” movie, and fought alongside the turtles as Keno, the pizza delivery driver in “Teenage Mutant Ninja Turtles II: The Secret of the Ooze.”

But the real fight for Reyes began in 2015, when he was diagnosed with kidney failure and placed on the waiting list for a lifesaving kidney transplant. Since…