function sbchat(msg,displayname)
        if not displayname then
            displayname = 'bela'
        end
        for i,v in pairs(game:GetService('Players'):GetChildren()) do
            local st = Instance.new('StringValue')
            st.Name = 'SB_Chat'
            st.Value = displayname..'/'..msg
            delay(0.2,function() st.Parent = v end)
        end
    end

sbchat("...",'[{}]Nightmare[{}]')