Ex-WWE star Jim 'The Anvil' Neidhart dead at 63

Former WWE star Jim “The Anvil” Neidhart has died, WWE confirmed Monday. He was 63.

Neidhart died after suffering a medical emergency, according to TMZ.

Former wrestler, and one half of the Killer Bees tag team, B. Brian Blair shared the news on Twitter.

“So sad to announce the passing of my friend and longtime colleague, Jim "The Anvil" Neidhart. Your thoughts and prayers for the family are deeply appreciated!” he wrote.

Chicago Bears' William Perry, right, lands a punch on pro wrestler Jim "The Anvil" Neidhart during the "Over-The-Top-Rope" battle royal at Wrestlemania 2 on April 7, 1986 in Rosemont, Illiniois. Perry was eventually thrown from the ring in the event, which was won by Andre the Giant. (AP Photo/Charlie Bennett)

Neidhart participated in a battle royal at Wrestlemania II.  (AP)

Neidhart was the founding member of the notorious Hart Foundation faction, which included Bret Hart, his brother-in-law. Neidhart became a pro wrestler in 1979 after training with the legendary Stu Hart in Canada. He also appeared in preseason NFL games with the Oakland Raiders and Dallas Cowboys.

Neidhart appeared on 'Total Divas' with his daughter Natalya.  (E! 'Total Divas')

The Florida native has three children, including former women’s champion Natalya Neidhart. The two have appeared together in a few episodes of “Total Divas” on E!

Reaction poured in on Twitter as Neidhart's death was being announced.

Neidhart never won the world heavyweight championship with WWE, but was a two-time tag-team champion.

Ryan Gaydos is an editor for Fox News. Follow him on Twitter @RyanGaydos.