The Ultimate Warrior, one of U.S. professional wrestling's most celebrated athletes, has died at the age of 54, days after being inducted into the World Wrestling Entertainment Inc Hall of Fame, the company said late on Tuesday.

World Wrestling Entertainment announced the death of Warrior, born James Brian Hellwig, in a statement on its website late Tuesday. 

"WWE is shocked and deeply saddened to learn of the passing of one of the most iconic WWE Superstars ever, The Ultimate Warrior," the Stamford, Connecticut-based company said on its website .

Wrestling fans are mourning the death of the Ultimate Warrior today and remembering some of the WWE superstar’s greatest moments.

The Ultimate Warrior speaks during the WWE Hall of Fame Induction at the Smoothie King Center in New Orleans on Saturday, April 5, 2014.

The cause of his death was not given. He was added to the Hall of Fame on April 5.

News of Warrior's death came approximately 24 hours after he appeared on WWE's "Monday Night Raw" show and days after he was inducted into the WWE Hall of Fame during Wrestlemania festivities in New Orleans. 

Supporters and wrestlers took to the internet to express their respect for Hellwig, survived by his wife Dana and his two daughters, WWE said.

Saddened to announce the passing of the Ultimate Warrior.

#RIPUltimateWarrior #TheUltimateWarrior #UltimateWarrior #Wwe #RIP