The stars of “Kenan & Kel” are paying tribute to late rapper Coolio.

He created the theme song for the series, “Aw, Here It Goes.”

The show was a spin-off of two characters from the Nickelodeon comedy-sketch series, “All That.”

The show followed the misadventures of high school students played by Kenan Thompson and Kel Mitchell.

The show ran from July 15, 1996, until July 15, 2000.

Coolio passed away on September 28 at age 59.

Kenan took to his Instagram Stories, writing, “Wait, now Coolio!!!”

Kel shared a long, heartfelt tribute on his Instagram page.

He recalled several of his “great memories” with the famous rapper.