diff --git a/abstract-factory/index.md b/abstract-factory/index.md
index 7db699a99..f824f7e0e 100644
--- a/abstract-factory/index.md
+++ b/abstract-factory/index.md
@@ -9,6 +9,8 @@ tags:
  - Gang Of Four
 ---
 
+**Also known as:** Kit
+
 **Intent:** Provide an interface for creating families of related or dependent
 objects without specifying their concrete classes.
 
diff --git a/adapter/index.md b/adapter/index.md
index be9a87228..36a2a0ad3 100644
--- a/adapter/index.md
+++ b/adapter/index.md
@@ -9,6 +9,8 @@ tags:
  - Gang Of Four
 ---
 
+**Also known as:** Wrapper
+
 **Intent:** Convert the interface of a class into another interface the clients
 expect. Adapter lets classes work together that couldn't otherwise because of
 incompatible interfaces.
diff --git a/bridge/index.md b/bridge/index.md
index 1ad969183..4a1d0bcbb 100644
--- a/bridge/index.md
+++ b/bridge/index.md
@@ -9,6 +9,8 @@ tags:
  - Gang Of Four
 ---
 
+**Also known as:** Handle/Body
+
 **Intent:** Decouple an abstraction from its implementation so that the two can
 vary independently.
 
diff --git a/command/index.md b/command/index.md
index c9790819f..3fa774d8f 100644
--- a/command/index.md
+++ b/command/index.md
@@ -9,6 +9,8 @@ tags:
  - Gang Of Four
 ---
 
+**Also known as:** Action, Transaction
+
 **Intent:** Encapsulate a request as an object, thereby letting you
 parameterize clients with different requests, queue or log requests, and
 support undoable operations.
diff --git a/decorator/index.md b/decorator/index.md
index 55849fce6..61eeeac60 100644
--- a/decorator/index.md
+++ b/decorator/index.md
@@ -9,6 +9,8 @@ tags:
  - Gang Of Four
 ---
 
+**Also known as:** Wrapper
+
 **Intent:** Attach additional responsibilities to an object dynamically.
 Decorators provide a flexible alternative to subclassing for extending
 functionality.
diff --git a/factory-method/index.md b/factory-method/index.md
index fee6b6e83..3568a1109 100644
--- a/factory-method/index.md
+++ b/factory-method/index.md
@@ -10,6 +10,8 @@ tags:
  - Gang Of Four
 ---
 
+**Also known as:** Virtual Constructor
+
 **Intent:** Define an interface for creating an object, but let subclasses
 decide which class to instantiate. Factory Method lets a class defer
 instantiation to subclasses.
diff --git a/iterator/index.md b/iterator/index.md
index ecfdb1b2a..fe6c1fe35 100644
--- a/iterator/index.md
+++ b/iterator/index.md
@@ -10,6 +10,8 @@ tags:
  - Gang Of Four
 ---
 
+**Also known as:** Cursor
+
 **Intent:** Provide a way to access the elements of an aggregate object
 sequentially without exposing its underlying representation.
 
diff --git a/memento/index.md b/memento/index.md
index 056af8b26..f299506e0 100644
--- a/memento/index.md
+++ b/memento/index.md
@@ -9,6 +9,8 @@ tags:
  - Gang Of Four
 ---
 
+**Also known as:** Token
+
 **Intent:** Without violating encapsulation, capture and externalize an
 object's internal state so that the object can be restored to this state later.
 
diff --git a/observer/index.md b/observer/index.md
index fedb4cb8c..ea1667ef5 100644
--- a/observer/index.md
+++ b/observer/index.md
@@ -10,6 +10,8 @@ tags:
  - Gang Of Four
 ---
 
+**Also known as:** Dependents, Publish-Subscribe
+
 **Intent:** Define a one-to-many dependency between objects so that when one
 object changes state, all its dependents are notified and updated
 automatically.
diff --git a/proxy/index.md b/proxy/index.md
index f863a96a5..baa759600 100644
--- a/proxy/index.md
+++ b/proxy/index.md
@@ -10,6 +10,8 @@ tags:
  - Difficulty-Intermediate
 ---
 
+**Also known as:** Surrogate
+
 **Intent:** Provide a surrogate or placeholder for another object to control
 access to it.
 
diff --git a/state/index.md b/state/index.md
index b743cb8be..3beeb480a 100644
--- a/state/index.md
+++ b/state/index.md
@@ -10,6 +10,8 @@ tags:
  - Gang Of Four
 ---
 
+**Also known as:** Objects for States
+
 **Intent:** Allow an object to alter its behavior when its internal state
 changes. The object will appear to change its class.
 
diff --git a/strategy/index.md b/strategy/index.md
index 120dd64d4..288276015 100644
--- a/strategy/index.md
+++ b/strategy/index.md
@@ -10,6 +10,8 @@ tags:
  - Gang Of Four
 ---
 
+**Also known as:** Policy
+
 **Intent:** Define a family of algorithms, encapsulate each one, and make them
 interchangeable. Strategy lets the algorithm vary independently from clients
 that use it.