Marzi-Mei

From Homestar Runner Wiki

20X6 Marzipan is the 20X6 version of Marzipan. She only appears on Main Page 17 as the mouse-over action on the "characters" button, where she says "Yatta!" and does the victory sign. The animation she does is definitely from Chun-Li's SFII winning pose, as is the "Yatta!". ("Yatta!", the Japanese term for "I did it!")

Her outfit, hairstyle and general appearance seem based on the anime character, Sailor Moon.