diff --git a/Heimdall.lua b/Heimdall.lua
index 2aa1c6b..23e79df 100644
--- a/Heimdall.lua
+++ b/Heimdall.lua
@@ -21,6 +21,7 @@ local function init()
     ---@field classColors table<string, string>
     ---@field messenger HeimdallMessengerData
     ---@field who HeimdallWhoData
+    ---@field stinkyTracker HeimdallStinkyTrackerData
     ---@field dumpTable fun(table: any, depth?: number): nil
     ---@field utf8len fun(input: string): number
     ---@field padString fun(input: string, targetLength: number, left?: boolean): string
@@ -150,6 +151,9 @@ local function init()
     ---@field whoTicker number?
     ---@field ignored table<string, boolean>
 
+    ---@class HeimdallStinkyTrackerData
+    ---@field stinkies ReactiveValue
+
     shared.GetOrDefault = function(table, keys, default)
         local value = default
         if not table then return value end
diff --git a/Modules/StinkyTracker.lua b/Modules/StinkyTracker.lua
index 93faaeb..98387a9 100644
--- a/Modules/StinkyTracker.lua
+++ b/Modules/StinkyTracker.lua
@@ -5,5 +5,100 @@ local addonname, shared = ...
 ---@diagnostic disable-next-line: missing-fields
 shared.StinkyTracker = {}
 function shared.StinkyTracker.Init()
+	shared.stinkyTracker = {
+		stinkies = ReactiveValue.new({})
+	}
+
+	local whoRegex = "([^ -/]+)-?%w*/(%w+)"
+	---@param msg string
+	---@return table<string, stinky>
+	local function ParseWho(msg)
+		local stinkies = {}
+		for name, class in string.gmatch(msg, whoRegex) do
+			stinkies[name] = {
+				name = name,
+				class = class,
+				seenAt = GetTime(),
+				hostile = true
+			}
+		end
+		return stinkies
+	end
+	local seeRegex = "I see %((%w+)%) ([^ -/]+)-?%w*/(%w+)"
+	---@param msg string
+	---@return table<string, stinky>
+	local function ParseSee(msg)
+		local stinkies = {}
+		local aggression, name, class = string.match(msg, seeRegex)
+		if not name or not class then
+			return stinkies
+		end
+		local stinky = {
+			name = name,
+			class = class,
+			seenAt = GetTime(),
+			hostile = aggression == "Hostile"
+		}
+		stinkies[name] = stinky
+		return stinkies
+	end
+	local arrivedRegex = "([^ -/]+)-?%w* of class (%w+)"
+	local arrivedRegexAlt = "([^ -/]+)-?%w* %(!!!!%) of class (%w+)"
+	---@param msg string
+	---@return table<string, stinky>
+	local function ParseArrived(msg)
+		local stinkies = {}
+		local name, class = string.match(msg, arrivedRegex)
+		if not name or not class then
+			name, class = string.match(msg, arrivedRegexAlt)
+		end
+		if not name or not class then
+			return stinkies
+		end
+		local stinky = {
+			name = name,
+			class = class,
+			seenAt = GetTime(),
+			hostile = true
+		}
+		stinkies[name] = stinky
+		return stinkies
+	end
+
+	local frame = CreateFrame("Frame")
+	frame:RegisterEvent("CHAT_MSG_CHANNEL")
+	frame:SetScript("OnEvent", function(self, event, msg, sender, ...)
+		if not Heimdall_Data.config.stinkyTracker.enabled then return end
+		local channelId = select(6, ...)
+		local _, channelname = GetChannelName(channelId)
+		if channelname ~= Heimdall_Data.config.stinkyTracker.masterChannel then return end
+
+		if string.find(msg, "^who:") then
+			local whoStinkies = ParseWho(msg)
+			for name, stinky in pairs(whoStinkies) do
+				if stinky.hostile then
+					shared.stinkyTracker.stinkies[name] = stinky
+				end
+			end
+		end
+		if string.find(msg, "^I see") then
+			local seeStinkies = ParseSee(msg)
+			for name, stinky in pairs(seeStinkies) do
+				if stinky.hostile then
+					shared.stinkyTracker.stinkies[name] = stinky
+				end
+				if not stinky.hostile then
+					shared.stinkyTracker.stinkies[name] = nil
+				end
+			end
+		end
+		if string.find(msg, " and guild ") then
+			local arrivedStinkies = ParseArrived(msg)
+			for name, stinky in pairs(arrivedStinkies) do
+				shared.stinkyTracker.stinkies[name] = stinky
+			end
+		end
+	end)
+
 	print("Heimdall - StinkyTracker loaded")
 end