Princess Lou

Lou Is a Young leek From The Legend Of Nickelodeon: A Backyardigans Movie. She is The Princess of Green Sonic, Younger Sister of Charlie, The Daughter of Eagle, and the Niese of Albert the Horrible.

History
Sometime in the 19th century, Lou was on her brother Charlie's ship, the Steadfast, when it was attacked by pirates. The attack was led by her evil pirate uncle, Albert the Horrible. Albert managed to capture Charlie and the crew while Lou hid below decks with her butler, Dave. While in hiding, Lou activated the Helpseeker, a device invented by her father to bring help.

The Helpseeker later brings hero (Pablo, who are from the 21st century) to help them save Charlie. Though Dave doesn't trust them, as they are dressed like pirates, Lou is happy to have them help.

Lou and her new crew venture Crandon to find the location of Albert's fortress. Unfortunately, Lou and Dave are captured by Albert's spies and brought to his fortress where they are threatened to be killed if they do not betray the Eagle. Pablo and Spongebob soon rescue them, and barely escape the fortress. Albert goes after them in his ship, but is stopped when the heroes are saved by a suprise ambush from the Eagle himself. Albert and his crew are defeated, and the heroes are brought aboard the Eagle's ship. Lou is present for the heroes ceremony and departure shortly afterwards