Argentine comedian and presenter who took fourth place in the television competition show Tu cara me suena Argentina (Your Face Sounds). He's also known for his performances on television series such as La Nave de Marley (Marley's Ship), La mesa eta lista (The Table List), and Morfi todos a la mesa.
He made his television debut in 2011 and one of his earliest appearances was on the series La Pelu in 2012.
He won Outstanding Comedy Performance in the television series Premios Martin Fierro de Cable 2013.
He was born Juan Martin Rago in Buenos Aires, Argentina. He is best known under his stage name Jey Mammon.