Yes, around 1 month depending on the amount of time, effort, and software you are using. There are many animations softwares like Blender, Adobe Animate, FlipaClip, etc. Also, depending on what frame rate you use means lot. Adobe has smear frames and key frames which makes animations easier to produce.
The only thing that happens in these songs he makes is “I am dogday” or “I am catnap” or “I am craftycorn” or “I am nightmare Huggy wuggy” it makes no sense