How old is the guy who does the voice of spongebob...and how old is spongebob :)
The guy who does the voice of spongebob is 49 years old. He is called Tom Kenny and he was born on July 13, 1962 in Syracuse, New York. Check out http://en.wikipedia.org/wiki/Tom_Kenny for more details.
I think spongebob is suppose to be in his mid or late 30s, but the show has only been on since 99