Karl Charles Istaz (August 3, 1924 – July 28, 2007) was a German professional wrestler and trainer, best known by his ring name Karl Gotch. In Japan, Gotch was known as "god of Wrestling" due to his influence in shaping the Japanese professional wrestling style.
- American Wrestling Alliance (Ohio) World Heavyweight Championship
- New Japan Pro Wrestling Real World Championship
- World Championship Wrestling (Australia) (IWA) World Heavyweight Championship
- WWWF World Tag Team Championship
- Worldwide Wrestling Associates World Tag Team Championship