[Daren_Jacobson]

Boom, Roasted.

pawn Код:

stock GetPartOfName(playerid, part)
{
    new
        namepart[2][MAX_PLAYER_NAME],
        PlayerName[MAX_PLAYER_NAME];
    if (part > 2 || part < 1) return null; // supposing null is a null string.

    GetPlayerName(playerid, PlayerName, sizeof(PlayerName));
    split(PlayerName, namepart, '_');
    return namepart[part - 1];
}

Note that only handles up to two parts, so you could not retrieve a name such as Eryn_Martin_Miller