Question: Which Hundred Acre Wood visitor is named after the author's son?

Context articles: Hundred Acre Wood
Disney's Pooh &amp; Friends
David Benedictus
Winnie the Pooh (2011 film)
Christopher Robin
Winnie the Pooh in the Hundred Acre Wood
Modern Baseball/The Hundred Acre Wood
Lessons from the Hundred Acre Wood
Mark Burgess (children's author)
Return to the Hundred Acre Wood

The Hundred Acre Wood (also spelled as 100 Aker Wood, Hundred-Acre Wood, and 100 Acre Wood; also known as simply "The Wood"), based on the real-life "Five Hundred Acre Wood" in Ashdown Forest, is a part of the land inhabited by Winnie-the-Pooh and his friends in the Winnie-the-Pooh series of children's stories by author A. A. Milne.
 The wood is visited regularly by the young boy Christopher Robin, who accompanies Pooh and company on their many adventures.
Disney's Pooh & Friends is a book series based on the Pooh stories by A. A. Milne, along with the Lessons from the Hundred Acre Wood series.
David Benedictus (born 16 September 1938) is an English writer and theatre director, best known for his novels.
 His work includes the Winnie-the-Pooh novel "Return to the Hundred Acre Wood" (2009).
 It was the first such book in 81 years.
Winnie the Pooh is a 2011 American animated buddy musical comedy film produced by Walt Disney Animation Studios and released by Walt Disney Pictures.
 It is the 51st Disney animated feature film.
 Inspired by A. A. Milne's stories of the same name, the film is part of Disney's "Winnie the Pooh" franchise, the fifth theatrical "Winnie the Pooh" film released, and Walt Disney Animation Studios' second adaptation of "Winnie-the-Pooh" stories.
 Jim Cummings reprises his vocal roles as Winnie the Pooh and Tigger, while series newcomers Travis Oates, Tom Kenny, Craig Ferguson, Bud Luckey, and Kristen Anderson-Lopez provide the voices of Piglet, Rabbit, Owl, Eeyore, and Kanga, respectively.
 In the film, the aforementioned residents of the Hundred Acre Wood embark on a quest to save Christopher Robin from an imaginary culprit while Pooh deals with a hunger for honey.
 The film is directed by Stephen Anderson and Don Hall, adapted from Milne's books by a story team led by Burny Mattinson, produced by Peter Del Vecho, Clark Spencer, John Lasseter, and Craig Sost, and narrated by John Cleese.
Christopher Robin is a character created by A. A. Milne.
 He appears in Milne's popular books of poetry and Winnie-the-Pooh stories and is named after Christopher Robin Milne, the author's son.
 The character has subsequently appeared in Disney cartoons.
Winnie the Pooh in the Hundred Acre Wood is a single player adventure game created by Al Lowe for Sierra On-Line, released in 1986.
 It is based on the character Winnie the Pooh.
Modern Baseball/The Hundred Acre Wood is the second split EP of the American pop punk band Modern Baseball, and their third recording.
The Lessons from the Hundred Acre Wood is a Winnie the Pooh book series based on the Pooh stories by A. A. Milne, along with Disney's Pooh & Friends.
Mark Burgess (born 26 April 1957; pen name Simon Goswell for two books) is best known as an English author and illustrator of children's literature.
 He has illustrated books by Tony Bradman and Martin Waddell.
 Among his most recent assignments, he illustrated "Return to the Hundred Acre Wood", the authorized sequel of Winnie-the-Pooh.
Return to the Hundred Acre Wood is a "Winnie-the-Pooh" novel published on 5 October 2009.
 Written by David Benedictus and illustrated by Mark Burgess, it was the first such book since 1928 and introduced the character Lottie the Otter.