Kerchak defeats him , but immediately afterwards Tublat treacherously brains the victor with a rock and takes over the troop .
In the 2013 computer - animated film Tarzan , Tublat is a rogue gorilla who challenges Kerchak , silverback leader of a gorilla troop .
leader defeats Tublat , but immediately afterwards gorilla treacherously brains the victor with a rock and takes over the troop .
In the 2013 computer - animated film Tarzan , Tublat is a rogue gorilla who challenges Kerchak , silverback leader of a gorilla troop .