- Star Trek: The Motion Picture
- Star Trek II: The Wrath of Khan
- Star Trek III: The Search for Spock
- Star Trek IV: The Voyage Home
- Star Trek V: The Final Frontier
- Star Trek VI: The Undiscovered Country
- Star Trek Generations
Klingon Emporer who devised the non-lethal challenge with blunted bat'leths so that his warriors would kill only their enemies, not each other. Captain Kohlar follows this precedent when T'Greth challenges Tom Paris.