Handout grab taken from YouTube of Commander Chris Hadfield who has said goodbye to life on the International Space Station by making a cover version of David Bowie's Space Oddity. Issue date: Monday May 13, 2013. (Photo by Commander Chris Hadfield/YouTube/PA Wire)

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).