All of Google's festive alternate logos are done by Dennis Hwang.
The name for the logos that are provided by the company Google are called Google Doodles. They will often change the "Google Doodle" to commemorate a variety of events such a special holidays or people they wish to recognize.
It only does different logos on special days
Images of Chevy logos can be found from many different online image databases. Some examples of include Google Images and Photobucket. The official Chevrolet website is also a good source for their logos.
Indeed there is. go on google images
Dennis Hwang
High resolution Cadillac logos can be found on the Google Images website. Other websites where these images can be found are: CarWalls and Conceptcarz.
Google has had several logos. The current official Google pop logo is a wordmark based on the Catull typeface.
There are many different logos for Earth Day. You can do a Google image search for them.
I just think of a bunch of logos (or google it) put them all on paper and then mush them all together to make a new logo made of a bunch of common logos. Hop this helps and happy drawing!
Dennis Hwang, a 23 year old Web designer