Only four Saiya-jin survived the destruction of the planet. They were Kakarotto (known as Son Goku), Vegeta, Raditz and Nappa. If you wish to include the feature movies, also Turles, Paragus and Broly. They look exactly the same as a regular human, except for the monkey tail they usually have wrapped around the waist. A Saiya-jin is far stronger than a human and are able to concieve children, though the offspring retain much of the Saiya-jin strength and perhaps beyond.
At the end of the series,