Edith Dekyndt, Ground Control/Major Tom, 2009
Joel Tauber, The Flying Project, 2003, Video Still.
Martin Creed, Work No. 628: Half the air in a given space, 2007.
Tim Hawkinson, Balloon Self-Portrait, 1993. Image from here.
Hans Hemmert, German Panther, 2007
Yayoi Kusama, Dots Obsession-New Century, 2000. Image from here.
Takashi Murakami, Kaikai and Kiki, 2010. For the Macy Thanksgiving Day Parade. Image from here.
Katharina Grosse, Atoms Inside Balloons, 2007. Image from here.
Andy Warhol, Silver Clouds, 1966. Image from here.
William Lamson, Intervention 11/14/07. Be sure to also watch some of his videos, here.
No, I did not forget Jeff Koons.