Who played Rachel Green 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'? Which 'Friends' character sings "Smelly Cat"? Who played Chandler Bing in 'Friends'? Who played Ross Geller in 'Friends'? How many seasons did 'Friends' run? What is the name of Joey's stuffed penguin in 'Friends'?