Obviously there's willo Churchill flood.

Wind in the willows but thons a book.

Willo the lesbian aff a Buffy the vampire slayer but maybe Pravda wud Ken mair a boot her.

Willow the wisp wiz a cartoon thingy when I was a bairn.

You get willow trees but they are much more mobile and Bonnier than churchy so maybe no the same thing.

As willos go he's pretty famous.