Pre-Crisis Ultraman Alternative versions of Superman DC Comics characters who can move at superhuman speeds DC Comics characters with accelerated healing DC Comics characters with superhuman senses DC Comics characters with superhuman strength DC Comics supervillains DC Comics male supervillains DC Comics extraterrestrial supervillains Fictional astronauts Fictional characters from parallel universes Fictional dictators Fictional characters with slowed ageing Fictional characters with X-ray vision Fictional characters with air or wind abilities Fictional characters with ice or cold abilities Fictional characters with energy-manipulation abilities Fictional characters with fire or heat abilities Fictional characters with absorption or parasitic abilities Kryptonians Fictional mass murderers Comics characters introduced in 1964 Characters created by Gardner Fox Characters created by Mike Sekowsky Video game bosses Superman characters