On the right is Wotan. On the left is Thor, his presumptive son. (Thor lives with friends of mine.) No paternity test, but Wotan was an active tom when Thor was born, and both Wotan and Thor's mother were regulars at my stray feeder and so had ample opportunity to become acquainted. And there weren't any other longhaired black-and-white toms around. (The mother was a shorthaired tabby.)

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