Odin certainly is associated with the old celebrations of “jul” in Old Norse culture, however, no evidence points to him being the precursor to Santa Claus. Dr. Jackson Crawford explains these misconceptions well in the video below:
Never too early to start busting these kinds of myths in my opinion. For anyone interesting in authentic nordic Paganism, I endorse all the material produced by Dr. Crawford. The most historically accurate information readily available that I know of.
Eldritch Pop Kitsch 