[sleepysnowflake]

Well this might work :

pawn Код:

new aname[24];
new string[256];
GetPlayerName(playerid,aname,sizeof(aname));
format(string,sizeof(string),"[GM]%s",aname);
SetPlayerName(playerid,string);

@ColdIce: I belive that is ripped of my really small scirpt I have made for you!