Ultimate Mario

Ultimate Mario is a form based off the Super Saiyan transformation from Dragon Ball and the Super Transformation from Sonic the Hedgehog first appearing in Super Mario Frenzy. The transformation is exclusive to the true final bosses in Super Mario Frenzy and Super Mario: The Secret Land. However, the Ultimate form can also be unlocked in Super Mario Bros. Madness by collecting the four Divine Diamonds in the first four Special World courses. This form is not only for Mario, but is available for Luigi, Toad, Yoshi, Peach, Daisy, Toadette, Birdo, Wario, Waluigi, Pop Singer, The Dazzles, Donkey Kong, Diddy Kong, Rosalina, Pauline, Tim, Starlow, Oiram, Maria, Nabbit, Bowser Jr., Igiul, Luise, Bowser, Mr. Vulpes, Boom Boom, Pom Pom, and Boss Sumo Bro.
Most characters' forms have a different color (yellow or pink) depending on their color. Yellow forms are Mario, Luigi, Yoshi, Daisy, Wario, Pop Singer, Donkey Kong, Diddy Kong, Rosalina, Starlow, Maria, and Luise. Pink forms are Toad, Peach, Toadette, Birdo, Waluigi, The Dazzles, Pauline, and Nabbit.