Above: Carl Icahn as a viking aboard the great ship eBay.Image Credit: Logo via eBay, Icahn cartoon via insider_monkey / flickrFollowing intense shareholder pressure, eBay today announced plans to spin off PayPal and form two separate, publicly traded companies in 2015. With this news, eBay says American Express exec Dan Schulman will immediately become PayPal’s president and “CEO designee.” Following the separation, current eBay chief John Donahoe will be replaced by eBay Marketplaces president Devin Wenig.