A former UFC fighter Elias Theodorou dies at age 34.

Elias Theodorou, a charismatic mixed martial artist who fought effectively in support of medical cannabis as an athlete, has passed away. 

Theodorou's official Twitter account announced on Saturday that the former UFC fighter died Sunday in Toronto of colon cancer that metastasized. 

Theodorou, from Mississauga, Ontario, was an athlete, actor, model, stuntman, dancer, TV pitchman, Harlequin romance cover model, and cannabis advocate.

TSN fight analyst Robin Black, a friend, and the former fighter himself said Theodorou had not shared his cancer diagnosis publicly. 

Black believes Theodorou chose to keep his secret "because he didn't want to make people feel sad. "He was a very special man," Black said. 

"A positive, positive energy if it was ever there, a person who was almost always sporting an enthralling smile

a man who spoke up about the things was important to him," Canadian fighter Sarah Kaufman spoke on social media.

Theodorou began his journey into MMA in 2009 following having completed his freshman year studying at Humber College

He made his professional debut in June 2011