Attendee Ana Niebla arrives in costume as Princess Penny Wise for opening night of the pop culture festival Comic Con International in San Diego, California, U.S., July 17, 2019. (Photo by Mike Blake/Reuters)

A reveller of the Salgueiro samba school performs during the second night of Rio's Carnival at the Sambadrome in Rio de Janeiro, Brazil, on February 13, 2018. (Photo by Mauro Pimentel/AFP Photo)

A reveller from Salgueiro performs during the second night of the Carnival parade at the Sambadrome in Rio de Janeiro, Brazil on February 13, 2018. (Photo by Sergio Moraes/Reuters)

Visitors dressed in superhero costumes attend the Paris Comics Expo at the Parc Floral in Paris, France, April 15, 2016. (Photo by Charles Platiau/Reuters)

“In beard and hat”; Udine, Friuli-Venezia Giulia, Italy, 2013. (Photo by Giulio Magnifico)

“Cyber Monsoon”, honorable mention in Places category. A torrential monsoon rain in Bhaktapur, Nepal. (© Anuar Patjane)

When the city is in need, these superhero cats will do everything they can to help (i.e. look on indifferently then passive-aggressively poop on the bed).