Which 'Friends' character sings "Smelly Cat"?

What is the name of the coffee shop in 'Friends'? Which 'Friends' character is a paleontologist? Which 'Friends' character works as a chef? Which 'Friends' character is an actor who stars on 'Days of Our Lives'? Who played Rachel Green in 'Friends'? Who played Chandler Bing in 'Friends'? Who played Ross Geller in 'Friends'? How many seasons did 'Friends' run?