Or the one before the original Cletus - Pope Linus II has a nice ring to it, too.
Both conjure up nice cartoon images - Cletus, the Slack-Jawed Yokel in a miter, or the Peanuts character sitting on the papal throne with his blanket, sucking his thumb.
I think the age restriction, which is really just a mandatory retirement age, is a legitimate policy to insure somewhat against the very real risk of Cardinals who have “lost their fastball” taking part in the Conclave.