America's Got Talent Results 2012: Winner Is...Olate Dogs [VIDEO]

The "Olate Dogs," a dog act led by a 55-year-old man Richard Olate, and his son Nicholas Olate won "America's Got Talent" 2012 Thursday night taking home a $1 million dollar prize, a show in Las Vegas.

After their last performance yesterday, judge Howard Stern said they got a level of expertise of training with the dogs that he had never seen before.  Olate grew up in South America in a poor family and has performed in a circus since he was 12. The "Olate Dogs" currently has four completely different dog acts. Most of Richard's dogs are rescues from shelters.  

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Stand-up comedian Tom Cotter ended in second place and didn't look very happy but he closed with a joke saying "My experience was unbelievable, it was really great, and I'm going to fall down the stairs and get my own million dollars tonight."

Musician William Close ended in third place, David Garibaldi placed fourth, Joe Castillo fifth and The Untouchables sixth.

Today's finale was the last for judge Sharon Osbourne.

Justin Bieber rocked the stage with a performance of "As Long as You Love Me" and also performing were Green Day and Ne-Yo.

Green Day performed their new single, "Oh Love," off the first of their trilogy of new albums - Green Day ¡Uno!, Green Day ¡Dos!, and Green Day ¡Tré! 

Watch the "Olate Dogs" Finale Performance Below: