Kelvis, also known as ‘Fluffy’, sets a new universal record by flexing his right bicep to reach an incredible 20 inches in diameter.

This heavyweight record was set on August 27, 2008 at the Burning Man[] festival in Black Rock City, Nevada. Playa Book of Records Executive Committee member Dan Rollman documented the feat and measured the muscle.

Chris Uhl and Jared Shleton flexed their trapezius muscles in tandem for 41.09 seconds, a new world record.

They set the record on June 25, 2009 in Columbus, Mississippi. Uhl’s mother was present as a witness.

Joseph Holt leg pressed 2465 pounds ten times in a row.

Vinesh R.rolled his stomach 74 times in 30 seconds.

17 members of Wieden Kennedy’s Team Dark curled dumbbells while singing the chorus of "Maniac" and touching a beaver sculpture.

The record was set in Portland, Oregon on April 1, 2010 at the agency’s 28th annual Founders’ Dayparty.RecordSetter co-foundersDan Rollman and Corey Henderson were on hand to preside over the event.

[#FD28][]

Brian Pankeycompleted 16 tandem dumbbell curls while balancing a stool on his chin.