A viral Australian fro-yo chain has announced the winners of its $60,000 colouring in competition, with a Cockburn local taking out the top spot for WA. Pictured: Sophie Tomic. A viral Australian fro-yo chain has announced the winners of its $60,000 colouring in competition, with a Cockburn local taking out the top spot for WA. Pictured: Sophie Tomic. Credit: SuppliedCamera Icon North Lake resident Sophie Tomic was the WA winner for Yochi's colour my cup competition.