His body is made entirely of lava , and he normally wears an orange and gray full - body containment suit which has a breathing receptacle .
Voiced by C. Martin Croker , Moltar is the show 's director and producer .
C. Martin Croker 's body is made entirely of lava , and he normally wears an orange and gray full - body containment suit which has a breathing receptacle .
Voiced by C. Martin Croker , Moltar is the show 's director and producer .