Mike Quackenbush, American wrestler, trainer, and author, founded Chikara wrestling promotion
Michael Spillane (born March 18, 1976), is an American podcaster, author, professional wrestling trainer, professional wrestling promoter, and retired professional wrestler, better known by his ring name Mike Quackenbush.

He has hosted several podcasts and video podcasts including The Grizzly Bear Egg Cafe, Chikara Podcast-A-Go-Go, Deep Blue Something, The Trending Show, Daddy on Board, Kayfabe 2.0, and Til We Make It. He is also the sole content contributor to Quackenbush on Camelot, a news resource for the goings-on at the dinner theater franchise Medieval Times and renaissance fairs. Quackenbush has written seven books including the two memoirs Headquarters (2001) and Secret Identity: Essays From Both My Lives (2004). Both memoirs were re-released as e-books for the Kindle in May 2010, and a few years later in 2017, he released 7 Keys to Becoming a Better Performer: A Book for Fellow Pro-Wrestlers. From 1998 to 2008, Quackenbush penned a regular column titled "From Bell To Bell" for The Wrestler magazine and "The International Report" for Pro Wrestling Illustrated, among other publishing credits.

In wrestling, Quackenbush is well known for being the promoter of Chikara and head trainer of its Wrestle Factory, a promotion and school he co-founded in 2002 with Reckless Youth. Quackenbush is also noted for his 25 year in-ring career on the independent wrestling circuit, during which he became a former NWA World Junior Heavyweight Champion and CZW World Junior Heavyweight Champion. In 2016, Sports Illustrated included Quackenbush on their list of the Top 101 Wrestlers of All Time.