There names are cobalt, Blue, Blueberry and Rune
https://www.lorwolf.com/Play/WolfDetails?id=603144
https://www.lorwolf.com/Play/WolfDetails?id=603146
https://www.lorwolf.com/Play/WolfDetails?id=603145
https://www.lorwolf.com/Play/WolfDetails?id=603147