Ever wondered which fictional characters best embody the "manchild" archetype? This ranking explores characters who display childish behavior, emotional immaturity, or refuse to embrace adult responsibilities despite their age. From lovable goofballs who can't seem to get their act together to frustratingly immature personalities that drive everyone around them crazy, these characters represent varying degrees of arrested development. Whether they're throwing tantrums, avoiding responsibilities, obsessing over toys and games, or simply lacking basic life skills, each character brings their own unique flavor of immaturity to the table. The rankings consider factors like self-awareness, impact on others, and whether their childishness is endearing or insufferable.