Walter Frederick Morrison disc more cheaply. In 1955, he and Lu designed the Pluto Platter, the archetype of all modern flying discs. On January 23, 1957, they sold the rights for the Pluto Platter to the Wham-O toy company. Initially Wham-O continued to market the toy solely as the "Pluto Platter", but by June 1957 they also began using the name "Frisbee" after learning that college students in the Northeast were calling the Pluto Platter by that name. Morrison also invented several other products for Wham-O, but none were as successful as the Pluto Platter. Morrison and his wife, Lu Nay Morrison had
Sailor Pluto and wore a black gown—she appears in this form in manga act 41 as well as in supplementary art. Setsuna is not shown using any special powers while in civilian form. She must first transform by either raising her hand or using a special device called the Lip Rod in the anime into the air and shouting a special phrase, originally "Pluto Planet Power Make-up!" In the manga she eventually gains her Pluto Crystal and this phrase changes to evoke "Pluto Crystal Power". In the anime, although she does upgrade to Super Sailor Pluto, the Sailor Crystal is never mentioned