Does Russian people have accents ?

Yes.

Explanation:

The Russian's have a very distinct accent. It is often recognized with a rolling "r" sound. The "th" sound is often pronounced "d". So, "The" would become "de." The long "i" changes to "ee".

These are just a few of the many distinctions of a Russian accent.

it can be both; depending on the situation at hand.

explanation:

let's just say i get in to a confrontation with someone, and they say "ur mom", it could be seen as an insult. or depending on the relationship or comfortability with the person it may be seen as a joke. the distinct line is how the chemistry behind the confrontation.