mr potato head because he saved their lives and they were eternally greatfull
According to IMDB it is simply "Green Aliens".
In the first Toy Story move, they worshipped the 'claw' in their toy machine, as they thought it was their 'master'. In the sequels, they worship Mr. Potato head because he save their lives, and they were eternally grateful.
Toy Story 3 Aliens (voice) by Jeff Pidgeon (IMDb.com)
They say "daaaaaadyy" in unison.
Toy Story Treats - 1996 Drawing Aliens 1-32 was released on: USA: 1996
They have one each.
Toy Story Treats - 1996 New Aliens on the Block 1-30 was released on: USA: 1996
Toy Story Treats - 1996 Aliens New Planet Earth 1-18 was released on: USA: 1996
Yeah, the Space Aliens grow in the dark, but you charge them in the light :)
Jeff Pidgeon has: Played Great Pumpkin in "Bring Me the Head of Charlie Brown" in 1986. Played Uhk in "Somewhere in the Arctic" in 1988. Played Aliens in "Toy Story Treats" in 1996. Played Bile in "Monsters, Inc." in 2001. Played Green Aliens in "Toy Story Racer" in 2001. Played Green Aliens in "Extreme Skate Adventure" in 2003. Played Additional Voices in "The Incredibles" in 2004. Played Aliens in "That Fellow in the Coat" in 2008. Played Justin Pooge in "Tracy" in 2009. Played Additional Voices in "Up" in 2009. Played Aliens in "Toy Story 3: The Video Game" in 2010. Played himself in "Breaking the Mold: The Re-Making of Mighty Mouse" in 2010. Played Aliens in "Toy Story 3" in 2010. Played Aliens in "Hawaiian Vacation" in 2011. Played Aliens in "Kinect Disneyland Adventures" in 2011. Performed in "Kinect Rush: A Disney Pixar Adventure - Snapshot" in 2012. Played Additional Voices in "Monsters University" in 2013. Played Aliens in "Disney Infinity" in 2013.
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That Fellow in the Coat - 2008 Character Profile The Toy Story Aliens 1-16 was released on: USA: 16 November 2008