WWE legend Sid Vicious has tragically passed away, his family announced Monday. He was 63 years old.
According to Sid's son, Gunnar, he died after a lengthy battle with cancer.
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"He was a man of strength, kindness, and love, and his presence will be greatly missed," Gunnar said in a statement.
"We appreciate your thoughts and prayers as we grieve this loss."
Sid -- real name Sid Eudy -- was a staple for WWE and WCW ... winning world championships for both promotions numerous times.