1. Wizard's Lack of Magic: The "Wonderful Wizard of Oz" turns out to be an ordinary man named Oscar Zoroaster Phadrig Isaac Norman Henkle Emmannuel Ambroise Diggs, who came to Oz in a hot air balloon and created an illusion of power.
2. Scarecrow's Lack of Brain: The Scarecrow yearns for a brain but is already quite wise; he displays remarkable intelligence and common sense throughout the story.
3. Tin Man's Lack of Heart: The Tin Man longs for a heart, yet he shows great compassion and kindness toward others. He is loyal and cares deeply for his friends.
4. Cowardly Lion's Lack of Courage: Despite his name, the Cowardly Lion demonstrates bravery in various situations. He faces his fears and overcomes obstacles to help his friends.
5. Dorothy's Journey for Home: Dorothy sets out on a journey to find the Wizard to help her return home, not realizing she had the power to do so all along with her magical ruby slippers.
6. Oz as a Reflection of Human Nature: The Land of Oz represents human characteristics and desires. The characters each symbolize a specific trait, such as the desire for wisdom (Scarecrow), love and compassion (Tin Man), courage (Cowardly Lion), or the longing for home (Dorothy).
7. Wizard's True Nature: The Wizard is revealed to be a manipulator who uses illusions and trickery to maintain his image as a powerful wizard. This contrasts with his actual nature as a regular person who simply stumbled into a position of power.
These ironic elements add humor, depth, and a touch of reality to the fantastical world of Oz.