Misread that, initially. Thought you'd said peeing in the bowl!!
He's certainly unusual if he likes water. He's not a Norwegian Forest Cat, is he? They love it, as do Turkish Vans.
My darling Spocky, who passed on almost 10 years ago, fell into the bath one evening as we were getting ready to go out. He was only a kitten. He walked along the edge and slipped. I have a photo of me all dressed up for the evening with a drenched Spocky on my lap, wrapped in a bath towel!
The expression on his face says, "Please don't show this to anyone!" So I won't but I have