Pokemon GO costumed Shiny monsters are precious for Shiny collectors. The New Year's 2024 event debuts two new costumed Shiny monsters, Shiny Ribbon Jigglypuff and Shiny Ribbon Wigglytuff. Many Shiny hunters seek ways to get Shiny Ribbon Jigglypuff and Shiny Ribbon Wigglytuff; catching one leads to getting another.