River Weaser
From Tardis Wiki, the free Doctor Who reference
The River Weaser was a river which flowed through the town of Hamelin. (COMIC: Challenge of the Piper [+]Loading...["Challenge of the Piper (comic story)"]) In 1284, (TV: The Day of the Clown [+]Loading...["The Day of the Clown (TV story)",""]) the Pied Piper led all of the rats of Hamelin into the river by playing a tune on his magical instrument. (COMIC: Challenge of the Piper [+]Loading...["Challenge of the Piper (comic story)"])
Behind the scenes
The river that runs through Hamelin is actually spelt "Weser", but its only known DWU mention is with the spelling "Weaser" in Challenge of the Piper.