diff --git a/dev-assets/doodads/azulian/Makefile b/dev-assets/doodads/azulian/Makefile
index 20e7aa5..05dae89 100644
--- a/dev-assets/doodads/azulian/Makefile
+++ b/dev-assets/doodads/azulian/Makefile
@@ -4,11 +4,13 @@ ALL: build
 build:
 	doodad convert -t "Blue Azulian" blu-front.png blu-back.png \
 		blu-wr{1,2,3,4}.png blu-wl{1,2,3,4}.png azu-blu.doodad
+	doodad edit-doodad --tag "color=blue" azu-blu.doodad
 	doodad install-script azulian.js azu-blu.doodad
 
 	doodad convert -t "Red Azulian" red-front.png red-back.png \
 		red-wr{1,2,3,4}.png red-wl{1,2,3,4}.png azu-red.doodad
-	doodad install-script azulian-red.js azu-red.doodad
+	doodad edit-doodad --tag "color=red" azu-red.doodad
+	doodad install-script azulian.js azu-red.doodad
 
 	# Tag the category for these doodads
 	for i in *.doodad; do\
diff --git a/dev-assets/doodads/azulian/azulian-red.js b/dev-assets/doodads/azulian/azulian-red.js
index f42d92d..aeb5f91 100644
--- a/dev-assets/doodads/azulian/azulian-red.js
+++ b/dev-assets/doodads/azulian/azulian-red.js
@@ -1,3 +1,6 @@
+// Azulian (Red)
+// DEPRECATED: they both share azulian.js now.
+
 function main() {
 	var playerSpeed = 4;
 	var gravity = 4;
diff --git a/dev-assets/doodads/azulian/azulian.js b/dev-assets/doodads/azulian/azulian.js
index 3aa7637..54db87e 100644
--- a/dev-assets/doodads/azulian/azulian.js
+++ b/dev-assets/doodads/azulian/azulian.js
@@ -1,38 +1,74 @@
-function main() {
-	var playerSpeed = 12;
-	var gravity = 4;
-	var Vx = Vy = 0;
+// Azulian (Red and Blue)
+var playerSpeed = 12,
+	animating = false,
+	direction = "right";
 
-	var animating = false;
-	var animStart = animEnd = 0;
-	var animFrame = animStart;
+function setupAnimations(color) {
+	var left = color === 'blue' ? 'blu-wl' : 'red-wl',
+		right = color === 'blue' ? 'blu-wr' : 'red-wr',
+		leftFrames = [left + '1', left + '2', left + '3', left + '4'],
+		rightFrames = [right + '1', right + '2', right + '3', right + '4'];
+
+	Self.AddAnimation("walk-left", 100, leftFrames);
+	Self.AddAnimation("walk-right", 100, rightFrames);
+}
+
+function main() {
+	var color = Self.GetTag("color");
+	playerSpeed = color === 'blue' ? 2 : 4;
 
 	Self.SetMobile(true);
 	Self.SetGravity(true);
 	Self.SetInventory(true);
-	Self.SetHitbox(7, 4, 17, 28);
-	Self.AddAnimation("walk-left", 100, ["blu-wl1", "blu-wl2", "blu-wl3", "blu-wl4"]);
-	Self.AddAnimation("walk-right", 100, ["blu-wr1", "blu-wr2", "blu-wr3", "blu-wr4"]);
+	Self.SetHitbox(0, 0, 24, 32);
+	setupAnimations(color);
 
+	if (Self.IsPlayer()) {
+		return playerControls();
+	}
+
+	// A.I. pattern: walks back and forth, turning around
+	// when it meets resistance.
+
+	// Sample our X position every few frames and detect if we've hit a solid wall.
+	var sampleTick = 0;
+	var sampleRate = 5;
+	var lastSampledX = 0;
+
+	setInterval(function () {
+		if (sampleTick % sampleRate === 0) {
+			var curX = Self.Position().X;
+			var delta = Math.abs(curX - lastSampledX);
+			if (delta < 5) {
+				direction = direction === "right" ? "left" : "right";
+			}
+			lastSampledX = curX;
+		}
+		sampleTick++;
+
+		var Vx = parseFloat(playerSpeed * (direction === "left" ? -1 : 1));
+		Self.SetVelocity(Vector(Vx, 0.0));
+
+		if (!Self.IsAnimating()) {
+			Self.PlayAnimation("walk-" + direction, null);
+		}
+	}, 100);
+}
+
+function playerControls() {
+	// Note: player speed is controlled by the engine.
 	Events.OnKeypress(function (ev) {
-		Vx = 0;
-		Vy = 0;
-
 		if (ev.Right) {
 			if (!Self.IsAnimating()) {
 				Self.PlayAnimation("walk-right", null);
 			}
-			Vx = playerSpeed;
 		} else if (ev.Left) {
 			if (!Self.IsAnimating()) {
 				Self.PlayAnimation("walk-left", null);
 			}
-			Vx = -playerSpeed;
 		} else {
 			Self.StopAnimation();
 			animating = false;
 		}
-
-		// Self.SetVelocity(Point(Vx, Vy));
 	})
 }
diff --git a/dev-assets/doodads/build.sh b/dev-assets/doodads/build.sh
index 9c99564..d115872 100755
--- a/dev-assets/doodads/build.sh
+++ b/dev-assets/doodads/build.sh
@@ -91,5 +91,5 @@ objects
 onoff
 warpdoor
 doodad edit-doodad -quiet -lock -author "Noah" ../../assets/doodads/*.doodad
-doodad edit-doodad -hide ../../assets/doodads/azu-blu.doodad
+doodad edit-doodad ../../assets/doodads/azu-blu.doodad
 doodad edit-doodad -hide ../../assets/doodads/boy.doodad
diff --git a/dev-assets/doodads/objects/Makefile b/dev-assets/doodads/objects/Makefile
index c56b8ed..86e33ce 100644
--- a/dev-assets/doodads/objects/Makefile
+++ b/dev-assets/doodads/objects/Makefile
@@ -4,6 +4,7 @@ ALL: build
 build:
 	# Start Flag
 	doodad convert -t "Start Flag" start-flag.png start-flag.doodad
+	doodad install-script start-flag.js start-flag.doodad
 
 	# Exit Flag
 	doodad convert -t "Exit Flag" exit-flag.png exit-flag.doodad
diff --git a/dev-assets/doodads/objects/start-flag.js b/dev-assets/doodads/objects/start-flag.js
new file mode 100644
index 0000000..dc84a77
--- /dev/null
+++ b/dev-assets/doodads/objects/start-flag.js
@@ -0,0 +1,11 @@
+// Start Flag.
+function main() {
+    Self.SetHitbox(22 + 16, 16, 75 - 16, 86);
+
+    // Linking a doodad to the Start Flag sets the
+    // player character. Destroy the original doodads.
+    var links = Self.GetLinks();
+    for (var i = 0; i < links.length; i++) {
+        links[i].Destroy();
+    }
+}