diff --git a/extraponies/blueballblitz.pony b/extraponies/blueballblitz.pony
index 67cff54a..423a2f13 100644
--- a/extraponies/blueballblitz.pony
+++ b/extraponies/blueballblitz.pony
@@ -6,7 +6,7 @@ EYE: purple
 FREE: yes
 GROUP: mare, shadowbolt
 KIND: pegasus
-LICENSE: Creative common
+LICENSE: cc-by-sa
 MANE: teal
 MEDIA: [fanfic]
 NAME: Blueball Blitz (on the Fanfics)
diff --git a/extraponies/drhooves1.pony b/extraponies/drhooves1.pony
index 8f345745..0262796c 100644
--- a/extraponies/drhooves1.pony
+++ b/extraponies/drhooves1.pony
@@ -6,7 +6,7 @@ EYE: brown
 FREE: yes
 GROUP: stallion
 KIND: earth
-LICENSE: Public domain
+LICENSE: CC0
 MANE: grey
 NAME: Dr Hooves #1 (mentioned on the fanart)
 OTHER NAMES: Dr Whoof, Dr Whooves (Used on fanfics)
diff --git a/extraponies/drhooves2.pony b/extraponies/drhooves2.pony
index e50539ee..a9ecafdd 100644
--- a/extraponies/drhooves2.pony
+++ b/extraponies/drhooves2.pony
@@ -6,7 +6,7 @@ EYE: blue
 FREE: yes
 GROUP: stallion
 KIND: earth
-LICENSE: Public domain
+LICENSE: CC0
 MANE: brown
 NAME: Dr Hooves #2 (mentioned on the fanart)
 OTHER NAMES: Dr Whoof, Dr Whooves (Used on fanfics)
diff --git a/extraponies/drhooves3.pony b/extraponies/drhooves3.pony
index c5f15fc5..9aef9112 100644
--- a/extraponies/drhooves3.pony
+++ b/extraponies/drhooves3.pony
@@ -6,7 +6,7 @@ EYE: brown
 FREE: yes
 GROUP: stallion
 KIND: earth
-LICENSE: Public domain
+LICENSE: CC0
 MANE: white
 NAME: Dr Hooves #3 (mentioned on the fanart)
 OTHER NAMES: Dr Whoof, Dr Whooves (Used on fanfics)
diff --git a/extraponies/drhooves4.pony b/extraponies/drhooves4.pony
index a019f9df..950b75c7 100644
--- a/extraponies/drhooves4.pony
+++ b/extraponies/drhooves4.pony
@@ -6,7 +6,7 @@ EYE: cyan
 FREE: yes
 GROUP: stallion
 KIND: earth
-LICENSE: Public domain
+LICENSE: CC0
 MANE: grey
 NAME: Dr Hooves #4 (mentioned on the fanart)
 OTHER NAMES: Dr Whoof, Dr Whooves (Used on fanfics)
diff --git a/extraponies/drhooves5.pony b/extraponies/drhooves5.pony
index 9cdad0c5..4de48c8b 100644
--- a/extraponies/drhooves5.pony
+++ b/extraponies/drhooves5.pony
@@ -6,7 +6,7 @@ EYE: brown
 FREE: yes
 GROUP: stallion
 KIND: earth
-LICENSE: Public domain
+LICENSE: CC0
 MANE: yellow
 NAME: Dr Hooves #5 (mentioned on the fanart)
 OTHER NAMES: Dr Whoof, Dr Whooves (Used on fanfics)
diff --git a/extraponies/drhooves6.pony b/extraponies/drhooves6.pony
index e946aaff..ea32ccd6 100644
--- a/extraponies/drhooves6.pony
+++ b/extraponies/drhooves6.pony
@@ -6,7 +6,7 @@ EYE: brown
 FREE: yes
 GROUP: stallion
 KIND: earth
-LICENSE: Public domain
+LICENSE: CC0
 MANE: yellow
 NAME: Dr Hooves #6 (mentioned on the fanart)
 OTHER NAMES: Dr Whoof, Dr Whooves (Used on fanfics)
diff --git a/extraponies/drhooves7.pony b/extraponies/drhooves7.pony
index 86b69941..07f929aa 100644
--- a/extraponies/drhooves7.pony
+++ b/extraponies/drhooves7.pony
@@ -6,7 +6,7 @@ EYE: blue
 FREE: yes
 GROUP: stallion
 KIND: earth
-LICENSE: Public domain
+LICENSE: CC0
 MANE: black
 NAME: Dr Hooves #7 (mentioned on the fanart)
 OTHER NAMES: Dr Whoof, Dr Whooves (Used on fanfics)
diff --git a/extraponies/drhooves8.pony b/extraponies/drhooves8.pony
index 756030cf..430620ad 100644
--- a/extraponies/drhooves8.pony
+++ b/extraponies/drhooves8.pony
@@ -6,7 +6,7 @@ EYE: brown
 FREE: yes
 GROUP: stallion
 KIND: earth
-LICENSE: Public domain
+LICENSE: CC0
 MANE: black
 NAME: Dr Hooves #8 (mentioned on the fanart)
 OTHER NAMES: Dr Whoof, Dr Whooves (Used on fanfics)
diff --git a/extraponies/drhooves9.pony b/extraponies/drhooves9.pony
index bdcaae6c..a4b488eb 100644
--- a/extraponies/drhooves9.pony
+++ b/extraponies/drhooves9.pony
@@ -6,7 +6,7 @@ EYE: cyan
 FREE: yes
 GROUP: stallion
 KIND: earth
-LICENSE: Public domain
+LICENSE: CC0
 MANE: black
 NAME: Dr Hooves #9 (mentioned on the fanart)
 OTHER NAMES: Dr Whoof, Dr Whooves (Used on fanfics)
diff --git a/extraponies/duskshine.pony b/extraponies/duskshine.pony
index 8e9a729d..d0d46097 100644
--- a/extraponies/duskshine.pony
+++ b/extraponies/duskshine.pony
@@ -7,7 +7,7 @@ EYE: purple
 FREE: yes
 GROUP: stallion, coltified
 KIND: unicorn
-LICENSE: Public domain
+LICENSE: CC0
 MANE: purple
 MEDIA: fanart
 NAME: Dusk Shine (on the first fanart)
diff --git a/extraponies/pizzapony.pony b/extraponies/pizzapony.pony
index 07b9194f..9b904229 100644
--- a/extraponies/pizzapony.pony
+++ b/extraponies/pizzapony.pony
@@ -6,7 +6,7 @@ EYE: closed, red
 FREE: yes
 GROUP: mare
 KIND: earth
-LICENSE: Creative common
+LICENSE: cc-by
 MANE: yellow, red
 MEDIA: [Comics]
 NAME: Pizza pony (on Welovefine merchandise)
diff --git a/extraponies/rainbowblitz.pony b/extraponies/rainbowblitz.pony
index cbd8de5c..446a7b39 100644
--- a/extraponies/rainbowblitz.pony
+++ b/extraponies/rainbowblitz.pony
@@ -6,7 +6,7 @@ EYE: purple
 FREE: yes
 GROUP: stallion, coltified
 KIND: pegasus
-LICENSE: Public domain
+LICENSE: CC0
 MANE: rainbow
 MEDIA: fanart
 NAME: Rainbow Blitz (on first fanart)