FNF VS Doge and Walter: Funky Doge Friday FULL-WEEK is a double-week FNF mod that challenges you to rap battle against Doge and Walter, some of the most famous and beloved dogs on the Internet. Made by ArfieCat (Art, Coding), Odie (Art), rrcemo (Art), Wickedbelle (Charting), Blue (Music), and YungRhythm (Music).