Is Turles related to Vegeta?

Is Turles related to Vegeta?

Turles one of the few Saiyans that Survived the Explosion of Planet Vegeta. Despite his appearance which is almost identical to Goku's and Bardock's they are not related in any way(at least not officially).

Who is Goku's real best friend?

As the series progresses, Krillin becomes Goku's closest ally and best friend as he fights every villain along with Goku or before him and is often depicted as the comic relief.