In case you want to transform your bathroom into an owl, this crochet set might come in handy. Okay, we obviously meant owl-themed, but you already knew that. You can buy covers for the toilet bowl lid, the top of the tank, and various pieces for the floor that act as mats.
You can check this seller here for lid and tank sets, which are available in mint, yellow, red, orange, and pink.

For the more complete version—the one with floor mats—you can check out the photos below and see the link to their store after the pics.
Link to the sets above here.
You may also want to check out Amazon.com for some neat owl crochet stuff that you can also display in your bathroom. See photo below for an example.
