“An egg case or egg capsule, colloquially known as a mermaid's purse or devil's purse, is a casing that surrounds the fertilized eggs of some sharks, skates, and chimaeras”. – Wikipedia. Photo: OBX Skate (Raja eglanteria) Egg Case – Mermaid's Purse. (Photo by altereye1)

Members of the Chinese military orchestra march past a screen showing the Chinese Communist flag on Tiananmen Square before a celebration marking the 100th founding anniversary of the Chinese Communist Party, in Beijing, China, 01 July 2021. China celebrates on 01 July the 100th anniversary of the founding of the ruling Chinese Communist Party. (Photo by Roman Pilipey/EPA/EFE)

Model Kendall Jenner is seen in SoHo on July 31, 2017 in New York City. (Photo by Splash News and Pictures)

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).