Brock

Brock is a Pokemon trainer and Ash's friend Pooh first met Brock along with Ash, Misty, and Pikachu in Pooh's Adventures of Pokémon: The First Movie.

Trivia:
 * Brock had his first apeerance as a guest star in Pooh's Adventures of The Secret of NIMH.
 * Brock will join Pooh and his friends in the Pooh's Adventures of Star Wars saga.
 * Brock will go back in time with Pooh and his friends starting at the end of Winnie the Pooh Goes Back to the Future.
 * Brock will meet Littlefoot in Pooh's Adventures of The Land Before Time II: The Great Valley Adventure.
 * Brock will join Pooh and his friends in Winnie the Pooh Meets 3 Ninjas.
 * Brock will join Pooh and his friends in Pooh's Adventures of The Karate Kid, Part II.
 * Brock will meet Simba, Timon and Pumbaa in Winnie the Pooh and The Chronicles of Narnia: The Lion, the Witch and the Wardrobe.
 * Brock will join Pooh, Littlefoot, and their friends in Winnie the Pooh and a Journey to the Center of the Earth.
 * Brock will meet Stan Marsh, Kyle Broflovski, Eric Cartman, and Kenny McCormick in Winnie the Pooh Goes to South Park: Bigger, Longer & Uncut.
 * Brock is briefly seen in a bonus ending for Winnie the Pooh vs. Hook.