Actually, he breaks Brockenman's back, pounds him into a pile, rolls him into dough, and makes Ramen noodles from him... and then he eats the Brockenoodles.I don't believe he eats him, he tears him in half and drinks his blood from one, but as far as I know he doesn't eat him.
Both Brocken Junior (whom had a part about as big as Dik Dik van Dik) and Brockenman were in the original Anime. Ramenman kills and eats Brockenman after Brockenman cheats his head off.
By the way, has Brockenman ever been in the old anime of kinnikuman?
So yes, he does eat Brockenman Jr.'s father.