Complex sentence: Kang Ho Dong is usually referred to as a "pig" or "bear" because of his size and love for eating, and "Janggiyeppff" (장기예프), because his scrawl.
Split into simpler sentences: Kang Ho Dong is usually called "pig" or "bear" because of his size. And "Janggiyeppff" (장기예프), because his scrawl.