About the doodles.• Google has had many logos since its renaming from Backrub. The current official Google logo was designed by Ruth Kedar. The company also includes various modifications and/or humorous features, such as cartoon modifications of their logo for use on holidays, birthdays of famous people, and major events, such as the Olympics. These special logos, some designed by Dennis Hwang, have become known as Google Doodles. Google subsidiary YouTube has also featured some custom logos to highlight special events occurring on the site, these have been unofficially nicknamed "Yoodles".
January 26, 2013India’s 64th Republic day doodle.
December 22, 2012Si Ramanujans 125th birthday.
April 22, 2011Earth day doodle .
November 8, 2010The doodle for celebrating thediscovery of x-rays. discovery of x-rays.
November 10,2009Doodle for the 40th anniversary of thesesame street .f sesame street.
October 31, 2008Halloween celebration doodle..
April 22, 2007Earth day doodle.
January 26, 2006Mozart’s 250th birthday.
July 20, 2005Anniversary of lunar landing.
August 29, 2004Athens Olympic games closingceremony doodle.