"about math, research papers, science"

"Wizard with a staff of power"

"Mythical phoenix in a forest"

"Sorcerer with a staff of ice"

"Astronaut with a helmet off"

"Robot with a force field"

"Pirate captain with a hook hand"

"Robot with a jetpack"

"Robot with laser eyes"

"Time traveler with a gadget"

"Gargoyle on a rooftop"

"Steampunk airship"