‘Pee-Wee Herman’ star Paul Reubens’ official cause of death confirmed

Paul Reubens’ cause of death has been revealed a month after .

The actor, best known for his Pee-wee Herman character, died as a result of acute hypoxic respiratory failure, according to his death certificate obtained by The Post.

According to , the condition occurs “when your lungs cannot release enough oxygen into your blood, which prevents your organs from properly functioning.”

The condition also occurs “if your lungs cannot remove carbon dioxide from your blood,” the outlet adds.

At the time of his death, Reubens was also battling two types of cancer.

According to the outlet, his primary cancer battle was listed as acute myelogenous leukemia and was described as a sequential underlying cause.

Acute myelogenous leukemia is a cancer that affects blood cells and bone marrow, .

Reubens was also battling metastatic lung cancer, which spreads to the other lung or spreads to other parts of the body.

Reubens died on July 30 at the age of 70 after keeping his cancer diagnosis private for years.

“Paul bravely and privately fought cancer for years with his trademark tenacity and wit,” his rep told The Post at the time of his death.

“A gifted and prolific talent, he will forever live in the comedy pantheon and in our hearts as a treasured friend and man of remarkable character and generosity of spirit.”

A  included a quote from Reubens directly to be shared with his fans after his passing: “Please accept my apology for not going public with what I’ve been facing the last six years. I have always felt a huge amount of love and respect from my friends, fans and supporters. I have loved you all so much and enjoyed making art for you.”

Reubens became a household name after landing the role of Pee-wee Herman in the Tim Burton-directed movie “Pee-wee’s Big Adventure” in 1985.

The film’s major success resulted in his character’s own Saturday morning CBS show called, “Pee-wee’s Playhouse,” which ran from 1986 to 1991.

The show earned 15 Emmy awards during its 4-year span, while Reubens himself was nominated for three Emmys.

His star on Hollywood’s Walk of Fame, under his famous character’s name, was awarded in 1988.

He also boasted arcs on shows like “DC’s Legends of Tomorrow,” “Gotham” and “The Blacklist.”

Reubens was reportedly cremated and will be laid to rest in the Hollywood Forever Cemetery.