Soot and Storm.

This is a photo of my daughter's guinea pigs.
The white one is Storm, named after one of the X Men characters (never seen it, but it seems to make sense to those who have....the white hair rather than a rodent expression!)
Soot is the dark one, I'll let you work that one out!
I felt it was about time they had their 15 minutes of fame, so here they are.