Super Mario Bros. 2/Bosses

Birdo
Birdo is a boss that you face at the end of (almost) every level. She comes in three different ways: http://transsexual.org/birdoaspink.gif
 * Pink Birdo: Pink birdo appears  on world 1-1 and 2, and 2-1. Throw the eggs that she shoots back at her 3 times.
 * Red Birdo: Red birdo appears on world 2-2, 3-1 & 2, 4-2, 5-1, and many more. watch out for fire balls.
 * Green Birdo: Green birdo appears on world 5-2,7-1 and others. Grab the mushrooms and throw them at her.

Fryguy
Fryguy is the boss for world 4 (4-3). He shoots fire at you. Dodge his attacks and throw mushrooms at him 3 times, then he will turn into 4 mini Fryguys. Kill them with mushrooms and you're done. http://www.google.com/images?q=tbn:yb_DUMTuRQWKBM::nindb.classicgaming.gamespy.com/images/sprites/hvc/mw-fryguy.gif

Mouser
Mouser is the world 1 boss (1-3) and 3 (3-3) boss. He will throw bombs at you: throw them back at him 3 times and you're done. http://images4.wikia.nocookie.net/nintendo/en/images/thumb/2/26/Mouser1.jpg/180px-Mouser1.jpg