diff --git a/CREDITS b/CREDITS
index e356d203..ef1d2b27 100644
--- a/CREDITS
+++ b/CREDITS
@@ -739,3 +739,9 @@ F: Mogul
 S: mogul
 N: Jeremy Emerson
 D: music
+
+F: Sergeant_Mark_IV
+S: sergeant_mark_iv
+N: Marcos Abenante
+E: marcos.mk3@outlook.com
+D: sprites
diff --git a/sprites/kurt/kurt.txt b/sprites/kurt/kurt.txt
deleted file mode 100644
index 68392625..00000000
--- a/sprites/kurt/kurt.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-trees with GREEN in them....doom lacks that.
-Kurt Kesler
diff --git a/sprites/kurt/smita0.gif b/sprites/kurt/smita0.gif
deleted file mode 100644
index 703a7a93..00000000
Binary files a/sprites/kurt/smita0.gif and /dev/null differ
diff --git a/sprites/sergeant_mark_iv/SMITA0.gif b/sprites/sergeant_mark_iv/SMITA0.gif
new file mode 100644
index 00000000..dcbe440b
Binary files /dev/null and b/sprites/sergeant_mark_iv/SMITA0.gif differ
diff --git a/sprites/sergeant_mark_iv/SMITA0.png b/sprites/sergeant_mark_iv/SMITA0.png
new file mode 100644
index 00000000..a72f4244
Binary files /dev/null and b/sprites/sergeant_mark_iv/SMITA0.png differ
diff --git a/sprites/smita0.gif b/sprites/smita0.gif
index af4e7314..e2f14dbd 120000
--- a/sprites/smita0.gif
+++ b/sprites/smita0.gif
@@ -1 +1 @@
-kurt/smita0.gif
\ No newline at end of file
+sergeant_mark_iv/SMITA0.gif
\ No newline at end of file