Friendly is a red fox who was born in White Deer Park. He is the son of Fox and Vixen. He's a character in both the books and the tv series.
In the series of books, Friendly is a fox with a warn and understanding nature. Getting his name from Tawny Owl and living up to it.
In the tv series, Friendly is given a more quarrelsome personality rather than being what his name says, he's mostly loyal to his father no matter what and shows more concern for him than anyone else.