"Robot with rocket boots"

"Mythical dragon in a cave"

"Pirate treasure map with X"

"Sorcerer with a magical aura"

"Alien cityscape"

"Time traveler with a gadget"

"Ghost with a whisper"

"Centaur with a bow"

"Werewolf howling"

"Will-o’-the-wisp in a swamp"

"Vampire with a cape"

"Witch’s hat and broomstick"

"Birthday balloons in the sky"