What was real first name on the little rascals?

The Little Rascals was an American comedy short film series produced from 1929 to 1938. The series featured a group of poor children living in a small American town. The main characters of the series were Spanky McFarland, Alfalfa Switzer, and Pete the Pup. The real first names of these characters were George McFarland, Carl Switzer, and Pete the Dog.