Bigboy and Blue--Feeding Giant Monitor Lizards!

This is Bigboy and Blue. Bigboy is a Black throat monitor lizard 55 lbs and 5 ft long. Bigboy is 14 years old. Blue is a Blue tail monitor lizard,varanus doreanus,and he is over 4ft and weighs about 6 pounds. Blue is the biggest Blue tail monitor I have seen in is extremely tame,and Blue is semi are wild caught,and were not tame when I aquired them.