diff --git a/src/BizHawk.Emulation.Cores/Computers/MSX/MSX.cs b/src/BizHawk.Emulation.Cores/Computers/MSX/MSX.cs
index abe0d68034..1356afa0fa 100644
--- a/src/BizHawk.Emulation.Cores/Computers/MSX/MSX.cs
+++ b/src/BizHawk.Emulation.Cores/Computers/MSX/MSX.cs
@@ -6,7 +6,9 @@ using BizHawk.Emulation.Common;
 
 namespace BizHawk.Emulation.Cores.Computers.MSX
 {
-	[Core(CoreNames.MSXHawk, "", isReleased: true)]
+	[Core(
+		name: CoreNames.MSXHawk,
+		author: "alyosha")]
 	public partial class MSX : IEmulator, IVideoProvider, ISoundProvider, ISaveRam, IInputPollable, IRegionable, ISettable<MSX.MSXSettings, MSX.MSXSyncSettings>
 	{
 		[CoreConstructor(VSystemID.Raw.MSX)]
diff --git a/src/BizHawk.Emulation.Cores/Consoles/Atari/A7800Hawk/A7800Hawk.cs b/src/BizHawk.Emulation.Cores/Consoles/Atari/A7800Hawk/A7800Hawk.cs
index 2302d1e58f..7d116f32df 100644
--- a/src/BizHawk.Emulation.Cores/Consoles/Atari/A7800Hawk/A7800Hawk.cs
+++ b/src/BizHawk.Emulation.Cores/Consoles/Atari/A7800Hawk/A7800Hawk.cs
@@ -5,7 +5,9 @@ using BizHawk.Common.NumberExtensions;
 
 namespace BizHawk.Emulation.Cores.Atari.A7800Hawk
 {
-	[Core(CoreNames.A7800Hawk, "")]
+	[Core(
+		name: CoreNames.A7800Hawk,
+		author: "alyosha and BizHawk contributors")]
 	[ServiceNotApplicable(typeof(ISettable<,>))]
 	public partial class A7800Hawk : IEmulator, ISaveRam, IDebuggable, IInputPollable,
 		IRegionable, IBoardInfo, ISettable<object, A7800Hawk.A7800SyncSettings>
diff --git a/src/BizHawk.Emulation.Cores/Consoles/GCE/Vectrex/VectrexHawk.cs b/src/BizHawk.Emulation.Cores/Consoles/GCE/Vectrex/VectrexHawk.cs
index e7323be3a0..a2b1c29feb 100644
--- a/src/BizHawk.Emulation.Cores/Consoles/GCE/Vectrex/VectrexHawk.cs
+++ b/src/BizHawk.Emulation.Cores/Consoles/GCE/Vectrex/VectrexHawk.cs
@@ -4,7 +4,9 @@ using BizHawk.Emulation.Cores.Components.MC6809;
 
 namespace BizHawk.Emulation.Cores.Consoles.Vectrex
 {
-	[Core(CoreNames.VectrexHawk, "")]
+	[Core(
+		name: CoreNames.VectrexHawk,
+		author: "alyosha")]
 	public partial class VectrexHawk : IEmulator, ISaveRam, IDebuggable, IInputPollable, IRegionable, 
 	ISettable<object, VectrexHawk.VectrexSyncSettings>
 	{
diff --git a/src/BizHawk.Emulation.Cores/Consoles/Magnavox/Odyssey2/O2Hawk.cs b/src/BizHawk.Emulation.Cores/Consoles/Magnavox/Odyssey2/O2Hawk.cs
index a6071ed84b..fabb091281 100644
--- a/src/BizHawk.Emulation.Cores/Consoles/Magnavox/Odyssey2/O2Hawk.cs
+++ b/src/BizHawk.Emulation.Cores/Consoles/Magnavox/Odyssey2/O2Hawk.cs
@@ -4,7 +4,9 @@ using BizHawk.Emulation.Cores.Components.I8048;
 
 namespace BizHawk.Emulation.Cores.Consoles.O2Hawk
 {
-	[Core(CoreNames.O2Hawk, "")]
+	[Core(
+		name: CoreNames.O2Hawk,
+		author: "alyosha")]
 	public partial class O2Hawk : IEmulator, ISaveRam, IDebuggable, IInputPollable, IRegionable, ISettable<O2Hawk.O2Settings, O2Hawk.O2SyncSettings>, IBoardInfo
 	{
 		// memory domains
diff --git a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/3DS/Encore.cs b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/3DS/Encore.cs
index d234fb066f..22f93553b4 100644
--- a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/3DS/Encore.cs
+++ b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/3DS/Encore.cs
@@ -13,7 +13,12 @@ using BizHawk.Emulation.Common;
 
 namespace BizHawk.Emulation.Cores.Consoles.Nintendo.N3DS
 {
-	[PortedCore(CoreNames.Encore, "", "nightly-2104", "https://github.com/CasualPokePlayer/encore", singleInstance: true)]
+	[PortedCore(
+		name: CoreNames.Encore,
+		author: "Tropic Haze and Citra contributors; port by CasualPokePlayer",
+		portedVersion: "nightly-2104",
+		portedUrl: "https://github.com/CasualPokePlayer/encore",
+		singleInstance: true)]
 	[ServiceNotApplicable(typeof(IRegionable))]
 	public partial class Encore : IRomInfo
 	{
diff --git a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/GBHawk.cs b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/GBHawk.cs
index 3dfe82e6bf..cfa65df440 100644
--- a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/GBHawk.cs
+++ b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/GBHawk.cs
@@ -19,7 +19,9 @@ using BizHawk.Common.ReflectionExtensions;
 
 namespace BizHawk.Emulation.Cores.Nintendo.GBHawk
 {
-	[Core(CoreNames.GbHawk, "")]
+	[Core(
+		name: CoreNames.GbHawk,
+		author: "alyosha and BizHawk contributors")]
 	public partial class GBHawk : IEmulator, ISaveRam, IDebuggable, IInputPollable, IRegionable, IGameboyCommon,
 	ISettable<GBHawk.GBSettings, GBHawk.GBSyncSettings>
 	{
diff --git a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/N64/N64.cs b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/N64/N64.cs
index 00246257af..4526635f54 100644
--- a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/N64/N64.cs
+++ b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/N64/N64.cs
@@ -6,7 +6,12 @@ using BizHawk.Emulation.Cores.Nintendo.N64.NativeApi;
 
 namespace BizHawk.Emulation.Cores.Nintendo.N64
 {
-	[PortedCore(CoreNames.Mupen64Plus, "", "2.0", "https://code.google.com/p/mupen64plus/", singleInstance: true)]
+	[PortedCore(
+		name: CoreNames.Mupen64Plus,
+		author: "Mupen64 contributors and Mupen64Plus contributors; port by micro500 and BizHawk contributors",
+		portedVersion: "2.0",
+		portedUrl: "https://github.com/mupen64plus/mupen64plus-core",
+		singleInstance: true)]
 	public partial class N64 : IEmulator, ISaveRam, IDebuggable, IStatable, IInputPollable, IDisassemblable, IRegionable,
 		ISettable<N64Settings, N64SyncSettings>
 	{
diff --git a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/SNES9X/Snes9x.cs b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/SNES9X/Snes9x.cs
index cc4b41287c..630606af94 100644
--- a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/SNES9X/Snes9x.cs
+++ b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/SNES9X/Snes9x.cs
@@ -7,7 +7,11 @@ using BizHawk.Emulation.Cores.Waterbox;
 
 namespace BizHawk.Emulation.Cores.Nintendo.SNES9X
 {
-	[PortedCore(CoreNames.Snes9X, "", "e49165c", "https://github.com/snes9xgit/snes9x")]
+	[PortedCore(
+		name: CoreNames.Snes9X,
+		author: "Snes9x contributors; port by Morilli",
+		portedVersion: "e49165c",
+		portedUrl: "https://github.com/snes9xgit/snes9x")]
 	public class Snes9x : WaterboxCore,
 		ISettable<Snes9x.Settings, Snes9x.SyncSettings>, IRegionable
 	{