Update art and credits for Tropical Smoothy, Waluigi, Error, and Exponentia

Author: MarioFan597

assets/1x/atlasepic.png

@@ -590,7 +590,7 @@ local error_joker = {
 			"Fetch",
 		},
 		art = {
-			"Mystic Misclick",
+			"mold spores",
 		},
 		code = {
 			"Math",

assets/1x/atlasexotic.png

@@ -343,7 +343,8 @@ local exponentia = {
 	end,
 	cry_credits = {
 		idea = { "Enemui" },
-		art = { "Jevonn" },
+		art = { "Lil Mr. Slipstream" },
+		art = { "George the Rat" },
 		code = { "Math" },
 	},
 	init = function(self)

assets/1x/atlastwo.png

@@ -2025,6 +2025,7 @@ local waluigi = {
 			"HexaCryonic",
 		},
 		art = {
+			"MarioFan597",
 			"HexaCryonic",
 		},
 		code = {
@@ -8934,6 +8935,11 @@ local tropical_smoothie = {
 			end
 		end
 	end,
+	cry_credits = {
+		art = {
+			"Ori",
+		},
+	},
 }
 local pumpkin = {
 	object_type = "Joker",