Who were the main characters in the scarlet ibis name and describe them?

The main characters in "The Scarlet Ibis" are Brother, the unnamed narrator, and his younger sibling, Doodle. Brother is ambitious and sometimes cruel, struggling with his pride and the desire for Doodle to meet societal expectations. Doodle, born with physical disabilities, is gentle, imaginative, and deeply connected to nature, symbolizing innocence and fragility. Their complex relationship highlights themes of love, pride, and loss throughout the story.