Doomsday is a Weapon of Mass Destruction created by House of El and House of Zod.
At some point of time, the House of El and House of Zod created Doomsday to protect Krypton. Dru-Zod wanted to use Doomsday to defeat Brainiac and save Krypton, but when Adam Strange revealed that it would kill everyone it finds, Seg-El convinces Zod not to use it.
- ↑ Egan, Doris (writer), Dennis, Kate (director) (April 25, 2018). "Civil Wars". Krypton. Episode 6. Syfy.
- ↑ Fiveash, Chad and Stoteraux, James (writers), Ettlin, Lukas (director) (May 16, 2018). "Hope". Krypton. Episode 9. Syfy.