"I don't know. I'm not sure if swans are personal like that," the 70-year-old Northampton, England, resident said.
"It lives in a lake which is adjacent to the property, and at this time of year, it seems to come and spend the whole of its day tapping on my front door."
The swan in question has been terrorizing the neighbourhood with its persistent door-knocking over the last five years, residents say.
"People call it Percy and Cedric and almost everything else, and I've got a variety of names for it," Legg said.
Percy a.k.a. Cedric seems to have taken a particular liking to Legg's home. It opens and closes the mail slot door like a door-knocker.
"Originally we thought he was trying to sort of pick insects off the glass pane, but I think now he just likes the noise," Legg said. "He can do four or five hours in one go if he's having an off day…. I find it a bit irritating after a couple of hours."
The feathered fiend raps on the door almost every day between March and June, Legg said.
"He doesn't do it all the time because his girlfriend is lurking around as well. And so they disappear and have a swim around the lake, and then he comes back and there's another 10 minutes of knocking on the door."
One year, Legg says he put up a plastic bag to ward off the noisy neighbour, and the bird concentrated its efforts on a nearby house instead.
"But the trouble was, of course, the postman and the newspaper boy couldn't deliver things. So I didn't have any post for three months."
For years, Legg and his neighbours have endured Cedric's antics with little fanfare — until Northampton resident Wendy Howard posted a video of the bird's shenanigans on Facebook, and the story took off.
Now Legg is fielding calls from journalists around the world interested in Cedric.
"It just seems completely remarkable in this day and age that people should be interested in this old swan," he said."
Please see story and video by CBC/Radio-Canada here