diff --git a/big_int.cpp b/big_int.cpp
new file mode 100644
index 0000000..81294b6
--- /dev/null
+++ b/big_int.cpp
@@ -0,0 +1,6 @@
+
+#if COMPILER_CLANG
+typedef __int128 int128;
+#else
+#error "Need big int implementation"
+#endif
diff --git a/main.cpp b/main.cpp
index ecb72dc..d0e2588 100644
--- a/main.cpp
+++ b/main.cpp
@@ -32,7 +32,6 @@ For now I don't thing it should be overloadable.
 -------------------------------------------------------------------------------
 
 @todo
-[ ] - Character literal
 [ ] - Converting from U64 token to S64 Atom introduces unnanounced error (negates) - probably need big int
 [ ] - Passing down program to compile through command line
 [ ] - More for loop variations
@@ -70,6 +69,7 @@ For now I don't thing it should be overloadable.
 [x] - Enums
 [x] - Initial for loop
 [x] - Enum . access to values
+[x] - Character literal
 [x] - Compiling and running a program
 [x] - Infinite for loop
 [x] - in new typesystem: Fix calls, fix all example programs
@@ -92,6 +92,7 @@ For now I don't thing it should be overloadable.
 
 #include "base.cpp"
 #include "base_unicode.cpp"
+#include "big_int.cpp"
 #include "new_lex.cpp"
 #include "types.h"
 #include "new_ast.cpp"