#6. Teddy Hart
Teddy Hart is quite talented in the ring, as you might expect from a member of the Hart Dynasty. However, his talent has gone to his head and he developed a huge ego.
He set records by being the youngest man ever signed to a WWE contract in history, but was quickly released from the company due to numerous 'attitude problems.' Hart would criticize and put down other wrestlers for their work, try to start fights and had substance abuse issues.
After his release, he could have taken stock of himself and made some changes, but his behavior only seemed to worsen. Sexual assault allegations, drug dealing, and unscripted aerial attacks on other wrestlers have all damaged his reputation to the point where he has trouble getting bookings, even in his native Canada. Pigs will fly before you see Teddy Hart in a WWE ring.