Champ

Champ is a character in the 2015 Goosebumps movie, he is played by Ryan Lee, in the movie, he is Zach Cooper's best friend, and kind of a scared y cat, when they sneak into R.L. Stine's house and unleash the Goosebumps monsters from their manuscripts, Champ joins R.L. Stine, Zach, and Hannah, because he was a Goosebumps fan as a kid, and he knows all the monsters weaknesses.