Crazy Loop

From Discogs:

Dan Balan is a moldavian singer, composer and producer based in New York. His biggest success to date was with the pop band O-Zone. He was the front man of this project, producing and writing all of their compositions. Dan formed O-Zone in 1999 and released three albums through 2004. Their best-selling LP was "DiscOzone", which reached #1 in six countries and sold over 2.5 million copies worldwide (1 million in Japan alone).

From Lastfm:

Crazy Loop is a project from Dan Balan, formerly a member of O-Zone and currently a member of Balan. In Dan Balan's official forum he stated, "I made up Crazy Loop for fun. I hope you'll enjoy it."

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From Wikipedia:

Crazy Loop is a character created (as his alter ego) by Dan Bălan, former leader of the band O-Zone. The character has been introduced to the world with the song "Mm-ma-ma". The music video, directed by Marc Klasfeld, was filmed in Los Angeles and released throughout Europe the week of October 15, 2007. It was released digitally in the UK on October 12, 2009 through PopLife Records. In 2011, The single "Crazy Loop" was featured on Step Evolution's "ReRave" music game for the iOS, Android and Arcade platforms.