The Cruel Corona Labs is a research facility, run by Professor Crazy to produce a limited set of 101 Cruel Coronaviruses each 24 x 24 pixel. These viruses have originated in 2021 based on various mutations.
They all look same but take a close look and you'll see how different and deadly they are!
https://opensea.io/collection/cruel-corona-labs
Note: 15% of the proceeds from sale of the these viruses will go towards donation for supporting the families of the COVID victims.