diff --git a/Shared/NPC.cs b/Shared/NPC.cs
index 41c067d..a86c2ec 100644
--- a/Shared/NPC.cs
+++ b/Shared/NPC.cs
@@ -47,10 +47,12 @@ namespace SemiColinGames {
   }
 
   public class NPC {
+    // TODO: load sprite sizes from metadata.
     private const int spriteWidth = 96;
-    private const int spriteHeight = 81;
-    private const int spriteCenterYOffset = 10;
-    private readonly Vector2 eyeOffset = new Vector2(4, -3);
+    private const int spriteHeight = 82;
+    private const int groundPadding = 7;
+    private readonly Vector2 spriteCenter;
+    private readonly Vector2 eyeOffset = new Vector2(4, -9);
 
     private readonly FSM<NPC> fsm;
     private AABB physicsBox;
@@ -58,6 +60,7 @@ namespace SemiColinGames {
 
     public NPC(Point position, int facing) {
       Position = position;
+      spriteCenter = new Vector2(spriteWidth / 2, spriteHeight - halfSize.Y - groundPadding);
       physicsBox = new AABB(position.ToVector2(), halfSize);
       Facing = facing;
       fsm = new FSM<NPC>(new Dictionary<string, IState<NPC>> {
@@ -103,8 +106,6 @@ namespace SemiColinGames {
     public void Draw(SpriteBatch spriteBatch) {
       Rectangle textureSource = Sprites.Executioner.GetTextureSource(
           fsm.StateName, Clock.ModelTime.TotalSeconds);
-      // TODO: move this into Sprite metadata.
-      Vector2 spriteCenter = new Vector2(spriteWidth / 2, spriteHeight / 2 + spriteCenterYOffset);
       SpriteEffects effect = Facing == 1 ?
         SpriteEffects.None : SpriteEffects.FlipHorizontally;
       Color color = Color.White;