Blu is a blue Spix's Macaw and the main protagonist of Winnie the Pooh Goes to Rio. He is the last male of his kind. He is afraid to fly. But later, he is taken to Rio De Janeiro and falls in love with a female Spix's Macaw named Jewel.
- He is voiced by Jesse Eisenberg.
- Blu will meet Winnie the Pooh and his friends in Winnie the Pooh Goes to Rio.
- Blu will meet Simba and his friends in Simba, Timon, and Pumbaa's Adventures of Rio.
- Blu will meet Littlefoot and his friends in Littlefoot Goes to Rio.
- Blu will meet Bloom and her friends in Bloom Goes to Rio.
- Blu will meet the Peanuts Gang and their friends in Charlie Brown and Snoopy Go to Rio.
- Blu will meet Roary the Racing Car, Thomas, Twilight Sparkle and their friends in Roary the Racing Car Goes to Rio.