Scp 136 and Scp 139 are two extremely dangerous Scp's, they're kept in the same containment cell so scientists can study their behaviour and see if they develop a friendship or bond, but instead of what they were expecting Scp 136 and Scp 139 fight a lot, the scientists figure it's perhaps fighting for Alpha rank, but every single time it's a draw... Scp 136 has long black fur and glowing white eyes, meanwhile Scp 139 has long black fur and glowing red eyes, they're both 7'10 in height...