Gloom is the main antagonist in an early version of Disney/Pixar's 2015 animated feature film, Inside Out. He was going to grow bigger in size as he becomes more powerful inside Riley's mind.
Early concepts of him can be seen in The Art of Inside Out book.
Television series: Untitled Inside Out series Shorts: Riley's First Date? Video Games: Inside Out: Thought Bubbles • Disney Infinity: 3.0 Edition • Disney Crossy Road • Disney Emoji Blitz • LEGO The Incredibles • Disney Heroes: Battle Mode • Disney Mirrorverse • Disney Magic Kingdoms Books: The Art of Inside Out • The Art of Inside Out 2
Entertainment: Pixar Playtime Pals • Pixar Pals Playtime Party Restaurants: Angry Dogs Shops: Bing Bong’s Sweet Stuff Parades: Dreams.... And Shine Brighter! • Move It! Shake It! Dance and Play It! Street Party • Pixar Play Parade Fireworks: Disney Enchantment • Disney in the Stars • Happily Ever After • Illuminate! A Nighttime Celebration • Momentous • Together Forever: A Pixar Nighttime Spectacular Spring: Disney Color-Fest: A Street Party! Summer: Pixar Water Play Street Party! Christmas: World of Color: Season of Light
Inside Out 2: Anxiety • Embarrassment • Ennui • Envy • Nostalgia • Val Ortiz • Coach Roberts • Grace • Bree • Bloofy • Denial • Dark Secret Deleted characters: Gloom • Hope
Real Life locations: Minnesota • San Francisco • Riley's House