a great tool to create sounds could be https://www.bfxr.net/ (flash is dead so you can download it but it's like a 8 bit-ish sound synth with many options and easy to use+export.. lol i sound like an add xD but i rly like this tool, you can look it up on youtube) (you didnt ask for me telling you about this tool but i just wanted to let you know cause i'm hella hyped about ducks, this project and this tool haha xoxo)