Most penguins found in Happy Feet are emperor penguins, the tallest ones. These characters are emperor penguins you can find in Happy Feet: Mumble, Gloria, Erik, Noah the Elder, Memphis, Norma, Jean, Seymour, Bo (Boadicea), Atticus, and Miss Viola.
Then, the Adelie penguins in the movie are like Latino. Ramon, Carmen, the Amigos, and Angelos are all Adelie penguins.
Also, the funny and cute Lovelace is a rockhopper penguins.