Artificial Bubble Chat

local Players = game:GetService("Players")
local ChatService = game:GetService("Chat")
local TextService = game:GetService("TextService")

local function onPlayerAdded(player_who_joined)
    local player_char = player_who_joined.Character or player_who_joined.CharacterAdded:Wait(.1)
    if player_char then
        player_who_joined.Chatted:Connect(function(message)
            if ChatService:CanUserChatAsync(player_who_joined.UserId) == true then
                local text_to_filter = message
                local filtered_result = TextService:FilterStringAsync(text_to_filter, player_who_joined.UserId, Enum.TextFilterContext.PublicChat)
                local final_message = filtered_result:GetNonChatStringForBroadcastAsync()
                ChatService:Chat(player_char:WaitForChild("Head",1),final_message,Enum.ChatColor.White)
            end
        end)
    end
end

Players.PlayerAdded:Connect(onPlayerAdded)