Tiara

Tiara is a supporting character in Super Mario Odyssey. She is Cappy's younger sister and a member of the Bonneter species from the Cap Kingdom, resembling a white and silver bridal tiara with magenta eyes. Tiara has a spectral body similar to a Boo under her hat. In the game, she is kidnapped by Bowser to be used as Princess Peach's headdress for their wedding. She later teams up with Cappy and Mario and ends up traveling with Princess Peach after her rescue. They appear in different kingdoms during their travels, rewarding Mario with Power Moons. Tiara's design is inspired by bridal tiaras and she shares similar facial expressions with Cappy. Her role is crucial in Super Mario Odyssey, and she is beloved for her cute appearance and interactions with the main characters. Tiara adds depth and fun to the game's story.