Ernesto: You have no idea how expensive it is to be a grass-roots activist! The Siren's Song
Ernesto: Yes! You must be willing to kill the enviroment to save it! The Siren's Song
He is based on Ernesto "Che" Guevara, a Argentine Marxist revolutionary, physician, author, intellectual, guerrilla leader, diplomat military theorist, who was a major figure of the Cuban Revolution; even sharing the same first name.