diff --git a/Lexer/inc/Token.h b/Lexer/inc/Token.h
index 38dba29..dfd3073 100644
--- a/Lexer/inc/Token.h
+++ b/Lexer/inc/Token.h
@@ -65,6 +65,7 @@ namespace LXC::Lexer
                 // === Symbols === //
 
                 Assign			= TokenClass::Symbols,
+                Colon,
 
                 CloseBracket,
                 OpenBracket,
diff --git a/Lexer/src/Lexer.cpp b/Lexer/src/Lexer.cpp
index a7e4043..c634f39 100644
--- a/Lexer/src/Lexer.cpp
+++ b/Lexer/src/Lexer.cpp
@@ -35,7 +35,7 @@ namespace LXC::Internal
             c == ']' || c == '{' ||
             c == '}' || c == '(' ||
             c == ')' || c == '<' ||
-            c == '>';
+            c == '>' || c == ':';
     }
 
     static const std::unordered_map<std::string_view, Lexer::Token::TokenType> operatorMap =
@@ -54,6 +54,7 @@ namespace LXC::Internal
     static const std::unordered_map<char, Lexer::Token::TokenType> symbolMap =
     {
         { ',',	Lexer::Token::Comma				},
+        { ':',  Lexer::Token::Colon             },
 
         { '[',	Lexer::Token::CloseBracket		},
         { ']',	Lexer::Token::OpenBracket		},
diff --git a/Lexer/src/Token.cpp b/Lexer/src/Token.cpp
index 7296c9c..48797a3 100644
--- a/Lexer/src/Token.cpp
+++ b/Lexer/src/Token.cpp
@@ -82,6 +82,7 @@ namespace LXC::Lexer
             TOKEN_TYPE_CASE(Token::Identifier);
 
             TOKEN_TYPE_CASE(Token::Assign);
+            TOKEN_TYPE_CASE(Token::Colon);
             TOKEN_TYPE_CASE(Token::CloseBracket);
             TOKEN_TYPE_CASE(Token::OpenBracket);
             TOKEN_TYPE_CASE(Token::CloseBrace);
diff --git a/examples/Fib.lx b/examples/Fib.lx
index afc334e..59d1c9a 100644
--- a/examples/Fib.lx
+++ b/examples/Fib.lx
@@ -1,8 +1,8 @@
-func<int> fib(int num)
+func<int> fib(int: num)
 {
-	# Base cases #
-	if (n == 0) { return 0 }
-	if (n == 1) { return 1 }
+	# Base cases (temp excluded) #
+	# if (n == 0) { return 0 } #
+	# if (n == 1) { return 1 } #
 
 	# RECURSION BABYYYY #
 	return fib(n - 1) + fib(n - 2)
@@ -10,6 +10,6 @@ func<int> fib(int num)
 
 func<int> main()
 {
-	int res = fib(8)
+	int: res = fib(8)
 	return res == 21
 }
diff --git a/examples/LawsOfMath.lx b/examples/LawsOfMath.lx
index f25be8d..f8a0c8c 100644
--- a/examples/LawsOfMath.lx
+++ b/examples/LawsOfMath.lx
@@ -1,11 +1,11 @@
-func<int> add(int a, int b)
+func<int> add(int: a, int: b)
 {
 	return a + b
 }
 
 func<int> main()
 {
-	int c = add(3, 4)
+	int: c = add(3, 4)
 	if (c == 7)
 	{
 		return 0