William Morrissey
William Morrissey is an American professional wrestler currently signed to All Elite Wrestling (AEW) under the ring name Big Bill. He is best known for his tenure with WWE, where he performed under the ring name Big Cass, a shortened version of his previous name Colin Cassady. In WWE, he came to prominence for his partnership with Enzo Amore, whom he teamed with from 2013 to 2017. Together, they won the NXT Year-End Award for Tag Team of the Year in 2015. He was brought up to Raw alongside Enzo Amore the day after WrestleMania 32. He was later moved to the SmackDown brand, where he had a brief feud with Daniel Bryan, before being released by the company in June 2018. After leaving WWE, he resumed teaming with Amore (now known as nZo) on the independent circuit. He worked in Impact Wrestling under the name of W. Morrissey.
Known For
67 titles
WWE Battleground 2016
WWE Royal Rumble 2017
WWE Survivor Series 2016
WWE Best of Raw & SmackDown Live 2016
WWE Great Balls of Fire
WWE Payback 2016
WWE Roadblock: End of the Line 2016
AEW All In 2024: London
AEW Dynasty 2025
WWE Money in the Bank 2016
WWE Backlash 2018
NXT TakeOver: Unstoppable
IMPACT Wrestling: Turning Point 2021
WWE SummerSlam 2016
AEW x NJPW Present Forbidden Door 2024
AEW All Out 2022
AEW Double or Nothing 2023
NXT's Greatest Matches Vol. 1
WWE Payback 2017
WWE Money in the Bank 2018
AEW Revolution 2025: Zero Hour
IMPACT Wrestling: Rebellion 2022
WWE Fastlane 2017
AEW All Out 2025
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