|Friends||Scrooge McDuck, Dewey, Huey|
|First Appearance||DuckTales : The Movie|
"Quackaroonie, Unca Scrooge!"
Louie is a small duck with a red baseball cap, and looks almost identical to Huey and Dewey (Though slightly shorter, as revealed in "Louie and the Wishing Star".
Louie usually gets his name confused with the other's