diff --git a/src/demo/luigi.c b/src/demo/luigi.c
index a76397a51..a7a37a33e 100644
--- a/src/demo/luigi.c
+++ b/src/demo/luigi.c
@@ -5,104 +5,109 @@
 //2 = yellow
 //3 = green
 
-static const char luigi1[] = "0000000000000000"
-"0000000000000000"
-"0000000111110000"
-"0000011111120000"
-"0000111111220000"
-"0000111111111110"
-"0000333223222000"
-"0003223223322220"
-"0003223322222222"
-"0033223322232222"
-"0033222223333330"
-"0003322222333330"
-"0000032222222200"
-"0000311122200000"
-"0003133313000000"
-"0003133331300000"
-"0033133333112200"
-"0031133333332222"
-"0031113333332222"
-"0001113333333222"
-"0001111333333222"
-"0001111113331000"
-"0001111111111000"
-"0001111111113000"
-"3333111111131100"
-"3333111113311100"
-"3333111131111000"
-"3333111001111000"
-"3333000003333000"
-"3300000003333000"
-"3000000003333330"
-"0000000003333330";
+static const char* luigis[] = {
+  "0000000000000000"
+  "0000000000000000"
+  "0000000111110000"
+  "0000011111120000"
+  "0000111111220000"
+  "0000111111111110"
+  "0000333223222000"
+  "0003223223322220"
+  "0003223322222222"
+  "0033223322232222"
+  "0033222223333330"
+  "0003322222333330"
+  "0000032222222200"
+  "0000311122200000"
+  "0003133313000000"
+  "0003133331300000"
+  "0033133333112200"
+  "0031133333332222"
+  "0031113333332222"
+  "0001113333333222"
+  "0001111333333222"
+  "0001111113331000"
+  "0001111111111000"
+  "0001111111113000"
+  "3333111111131100"
+  "3333111113311100"
+  "3333111131111000"
+  "3333111001111000"
+  "3333000003333000"
+  "3300000003333000"
+  "3000000003333330"
+  "0000000003333330",
 
-static const char luigi2[] = "0000000000000000"
-"0000001111100000"
-"0000111111200000"
-"0001111112200000"
-"0001111111111100"
-"0003332232220000"
-"0032232233222200"
-"0032233222222220"
-"0332233222322220"
-"0332222233333300"
-"0033222223333300"
-"0003322222222000"
-"0000111122000000"
-"0003133113300000"
-"0031333311300000"
-"0031333311330000"
-"0031333311130000"
-"0031333332230000"
-"0031333322220000"
-"0011133322221000"
-"0011133322221100"
-"0011113322211100"
-"0011111133111100"
-"0001111133311000"
-"0000111333333000"
-"0000113333330000"
-"0000011333300000"
-"0000031113330000"
-"0000033330330000"
-"0000333330000000"
-"0000333333300000"
-"0000003333300000";
+  "0000000000000000"
+  "0000001111100000"
+  "0000111111200000"
+  "0001111112200000"
+  "0001111111111100"
+  "0003332232220000"
+  "0032232233222200"
+  "0032233222222220"
+  "0332233222322220"
+  "0332222233333300"
+  "0033222223333300"
+  "0003322222222000"
+  "0000111122000000"
+  "0003133113300000"
+  "0031333311300000"
+  "0031333311330000"
+  "0031333311130000"
+  "0031333332230000"
+  "0031333322220000"
+  "0011133322221000"
+  "0011133322221100"
+  "0011113322211100"
+  "0011111133111100"
+  "0001111133311000"
+  "0000111333333000"
+  "0000113333330000"
+  "0000011333300000"
+  "0000031113330000"
+  "0000033330330000"
+  "0000333330000000"
+  "0000333333300000"
+  "0000003333300000",
+
+  "0000001111100000"
+  "0000111111200000"
+  "0001111112200000"
+  "0001111111111100"
+  "0003332232220000"
+  "0032232233222200"
+  "0032233222222220"
+  "0332233222322220"
+  "0332222233333300"
+  "0333222223333300"
+  "0003322222222000"
+  "0000033322000000"
+  "0000111133100020"
+  "0003333113310222"
+  "0033333311313222"
+  "0333333311331222"
+  "0333333311331323"
+  "0333333111331330"
+  "3333331112132300"
+  "3333111111111000"
+  "2222211111111000"
+  "2222211111111003"
+  "2222111111111033"
+  "0222111111133333"
+  "0001311111133333"
+  "0031131111133333"
+  "3331113311133333"
+  "3333111100033333"
+  "3333310000000000"
+  "0333000000000000"
+  "0333000000000000"
+  "0033300000000000",
+
+  NULL
+};
 
-static const char luigi3[] = "0000001111100000"
-"0000111111200000"
-"0001111112200000"
-"0001111111111100"
-"0003332232220000"
-"0032232233222200"
-"0032233222222220"
-"0332233222322220"
-"0332222233333300"
-"0333222223333300"
-"0003322222222000"
-"0000033322000000"
-"0000111133100020"
-"0003333113310222"
-"0033333311313222"
-"0333333311331222"
-"0333333311331323"
-"0333333111331330"
-"3333331112132300"
-"3333111111111000"
-"2222211111111000"
-"2222211111111003"
-"2222111111111033"
-"0222111111133333"
-"0001311111133333"
-"0031131111133333"
-"3331113311133333"
-"3333111100033333"
-"3333310000000000"
-"0333000000000000"
-"0333000000000000"
-"0033300000000000";
 
 static int
 draw_luigi(struct ncplane* n, const char* sprite){
@@ -169,11 +174,9 @@ int luigi_demo(struct notcurses* nc){
       return -1;
     }
     lastseen = lns[i];
+    draw_luigi(lns[i], luigis[i]);
     ncplane_move_bottom(lastseen); // all start hidden underneath stdplane
   }
-  draw_luigi(lns[0], luigi1);
-  draw_luigi(lns[1], luigi2);
-  draw_luigi(lns[2], luigi3);
   struct timespec stepdelay;
   ns_to_timespec(timespec_to_ns(&demodelay) / (cols - 16 - 1), &stepdelay);
   for(i = 0 ; i < cols - 16 - 1 ; ++i){
diff --git a/src/poc/sprite-enhalfen.c b/src/poc/sprite-enhalfen.c
new file mode 100644
index 000000000..32ca00e1e
--- /dev/null
+++ b/src/poc/sprite-enhalfen.c
@@ -0,0 +1,135 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+static const char* luigis[] = {
+"0000000000000000"
+"0000000000000000"
+"0000000111110000"
+"0000011111120000"
+"0000111111220000"
+"0000111111111110"
+"0000333223222000"
+"0003223223322220"
+"0003223322222222"
+"0033223322232222"
+"0033222223333330"
+"0003322222333330"
+"0000032222222200"
+"0000311122200000"
+"0003133313000000"
+"0003133331300000"
+"0033133333112200"
+"0031133333332222"
+"0031113333332222"
+"0001113333333222"
+"0001111333333222"
+"0001111113331000"
+"0001111111111000"
+"0001111111113000"
+"3333111111131100"
+"3333111113311100"
+"3333111131111000"
+"3333111001111000"
+"3333000003333000"
+"3300000003333000"
+"3000000003333330"
+"0000000003333330",
+
+"0000000000000000"
+"0000001111100000"
+"0000111111200000"
+"0001111112200000"
+"0001111111111100"
+"0003332232220000"
+"0032232233222200"
+"0032233222222220"
+"0332233222322220"
+"0332222233333300"
+"0033222223333300"
+"0003322222222000"
+"0000111122000000"
+"0003133113300000"
+"0031333311300000"
+"0031333311330000"
+"0031333311130000"
+"0031333332230000"
+"0031333322220000"
+"0011133322221000"
+"0011133322221100"
+"0011113322211100"
+"0011111133111100"
+"0001111133311000"
+"0000111333333000"
+"0000113333330000"
+"0000011333300000"
+"0000031113330000"
+"0000033330330000"
+"0000333330000000"
+"0000333333300000"
+"0000003333300000",
+
+"0000001111100000"
+"0000111111200000"
+"0001111112200000"
+"0001111111111100"
+"0003332232220000"
+"0032232233222200"
+"0032233222222220"
+"0332233222322220"
+"0332222233333300"
+"0333222223333300"
+"0003322222222000"
+"0000033322000000"
+"0000111133100020"
+"0003333113310222"
+"0033333311313222"
+"0333333311331222"
+"0333333311331323"
+"0333333111331330"
+"3333331112132300"
+"3333111111111000"
+"2222211111111000"
+"2222211111111003"
+"2222111111111033"
+"0222111111133333"
+"0001311111133333"
+"0031131111133333"
+"3331113311133333"
+"3333111100033333"
+"3333310000000000"
+"0333000000000000"
+"0333000000000000"
+"0033300000000000",
+
+NULL
+};
+
+static int
+enhalfen(const char* s, int width){
+  if(strlen(s) % (width * 2)){
+    fprintf(stderr, "Bad length: %zu\n", strlen(s));
+    return -1;
+  }
+  size_t rowoff = 0;
+  size_t idx;
+  for(rowoff = 0 ; s[rowoff] ; rowoff += 2 * width){ 
+    for(idx = 0 ; idx < width ; ++idx){
+      int c = (s[rowoff + idx] - '0') * 4 + (s[rowoff + width + idx] - '0');
+      printf("%x", c);
+    }
+    printf("\n");
+  }
+  return 0;
+}
+
+int main(void){
+  const char** sprite;
+  for(sprite = luigis ; *sprite ; ++sprite){
+    if(enhalfen(*sprite, 16)){
+      return EXIT_FAILURE;
+    }
+    printf("\n");
+  }
+  return EXIT_SUCCESS;
+}