Green, who said he has always done "little stunts" with domains he owns, supported Sen. Bernie Sanders of Vermont in the Democratic primaries but now supports Clinton. His ability to sell the domains now depends on who the former secretary of state chooses as her running mate.
"This is sort of an all or nothing thing at this point. My future depends on who Hillary Clinton picks," he said, adding that he could fetch $10,000 to $20,000 for a site featuring the eventual running mate.
The stories and cartoons on the sites put "Hillary Potter" at Hogwarts, the school for witches and wizards in the popular book and movie franchise. It lists Kaine as "Timotonous Kaine," a boring but loyal member of the Hufflepuff house in "Hillary Potter and the Boredom of the Phoenix."
In "Hillary Potter and the Prisoner of New Jersey," she debates picking the charismatic "Coriander Booker." The only problem, the story reads, is that Booker is from New Jersey.
"Joe Biding" could be asked to stay on as a "super-seventh year" in "Hillary Potter and the Half-Retired Prince."
Green wrote the stories and drew cartoons of the politicians himself.
Speculation is swirling around Clinton's vice presidential pick ahead of the Democratic National Convention later this month. Kaine, Booker, Sen. Elizabeth Warren of Massachusetts, Sen. Sherrod Brown of Ohio and Secretary of Housing and Urban Development Julian Castro are among her possible picks.