TexTools Discord for answering my noob questions and for being always helpful, Models Resource for extracting and making Joker's model public, Super Smash Bros Special/Ultimate for the original model.
Author's Comments:
My first mod. I wanted this knife since a lot of time but I knew nothing of actual modding in Blender (not like now I know a lot), then I found Joker's model and I said why not at least try. I might bring the gun too, but there is a mod for that already which looks the same.
Oh right, model gave me some warnings when I imported it but it shouldn't be anything serious since everything works, if you notice anything odd I will try to fix it.
Feel free to port it elsewhere but remember to credit me and especially to credit Models Resource.