diff --git a/src/main/java/com/github/shredder121/gh_event_api/model/Comment.java b/src/main/java/com/github/shredder121/gh_event_api/model/Comment.java
index 691faa7..c16971a 100644
--- a/src/main/java/com/github/shredder121/gh_event_api/model/Comment.java
+++ b/src/main/java/com/github/shredder121/gh_event_api/model/Comment.java
@@ -17,9 +17,11 @@
 
 import java.time.ZonedDateTime;
 
+import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.PropertyNamingStrategy.LowerCaseWithUnderscoresStrategy;
 import com.fasterxml.jackson.databind.annotation.JsonNaming;
 import com.github.shredder121.gh_event_api.model.json.PropertyBasedJsonCreator;
+import com.google.common.collect.ImmutableMap;
 
 /**
  * A comment on a part of the commit diff.
@@ -87,6 +89,11 @@ public class Comment {
      */
     String htmlUrl;
 
+    /**
+     * The user that created the comment.
+     */
+    User user;
+
     /**
      * The time the comment was created.
      */
@@ -96,4 +103,11 @@ public class Comment {
      * The time the comment was last modified.
      */
     ZonedDateTime updatedAt;
+
+    /**
+     * Additional links included in the Comment.
+     * (Only populated with pull request review comments)
+     */
+    @JsonProperty("_links")
+    ImmutableMap<String, Link> links;
 }
diff --git a/src/main/java/com/github/shredder121/gh_event_api/model/Deployment.java b/src/main/java/com/github/shredder121/gh_event_api/model/Deployment.java
index 9c6106e..4a97075 100644
--- a/src/main/java/com/github/shredder121/gh_event_api/model/Deployment.java
+++ b/src/main/java/com/github/shredder121/gh_event_api/model/Deployment.java
@@ -40,6 +40,21 @@ public class Deployment {
      */
     Integer id;
 
+    /**
+     * The (API) URL of this deployment.
+     */
+    String url;
+
+    /**
+     * The (API) URL to view this deployment's statuses.
+     */
+    String statusesUrl;
+
+    /**
+     * The (API) URL to view the repository this deployment is for.
+     */
+    String repositoryUrl;
+
     /**
      * The ref to deploy.
      * This can be a branch, tag or SHA.
diff --git a/src/main/java/com/github/shredder121/gh_event_api/model/Repository.java b/src/main/java/com/github/shredder121/gh_event_api/model/Repository.java
index f5ed512..57c400c 100644
--- a/src/main/java/com/github/shredder121/gh_event_api/model/Repository.java
+++ b/src/main/java/com/github/shredder121/gh_event_api/model/Repository.java
@@ -15,6 +15,9 @@
  */
 package com.github.shredder121.gh_event_api.model;
 
+import java.time.ZonedDateTime;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.PropertyNamingStrategy.LowerCaseWithUnderscoresStrategy;
 import com.fasterxml.jackson.databind.annotation.JsonNaming;
 import com.github.shredder121.gh_event_api.model.json.PropertyBasedJsonCreator;
@@ -30,6 +33,11 @@
 )
 public class Repository {
 
+    /**
+     * The id of this repository.
+     */
+    Integer id;
+
     /**
      * The name of the repository.
      */
@@ -40,6 +48,26 @@ public class Repository {
      */
     String fullName;
 
+    /**
+     * The description of the repository.
+     */
+    String description;
+
+    /**
+     * The default branch of the repository.
+     */
+    String defaultBranch;
+
+    /**
+     * The homepage of the repository.
+     */
+    String homepage;
+
+    /**
+     * The most prevalent language that
+     */
+    String language;
+
     /**
      * The owner of the repository
      */
@@ -54,4 +82,41 @@ public class Repository {
      * How many forks there are currently.
      */
     Long forks;
+
+    /**
+     * Whether this repository is a fork of another repository.
+     */
+    @JsonProperty("fork")
+    boolean isFork;
+
+    /**
+     * Whether this repository is a private repository.
+     */
+    @JsonProperty("private")
+    boolean isPrivate;
+
+    /**
+     * The (API) URL to view this repository.
+     */
+    String url;
+
+    /**
+     * The (GitHub Web UI) URL to view this repository.
+     */
+    String htmlUrl;
+
+    /**
+     * The time this repository was created.
+     */
+    ZonedDateTime createdAt;
+
+    /**
+     * The time this repository was last updated.
+     */
+    ZonedDateTime updatedAt;
+
+    /**
+     * The time the repository was last pushed to.
+     */
+    ZonedDateTime pushedAt;
 }
diff --git a/src/main/java/com/github/shredder121/gh_event_api/model/User.java b/src/main/java/com/github/shredder121/gh_event_api/model/User.java
index 0ba592e..c36c454 100644
--- a/src/main/java/com/github/shredder121/gh_event_api/model/User.java
+++ b/src/main/java/com/github/shredder121/gh_event_api/model/User.java
@@ -15,6 +15,7 @@
  */
 package com.github.shredder121.gh_event_api.model;
 
+import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.PropertyNamingStrategy.LowerCaseWithUnderscoresStrategy;
 import com.fasterxml.jackson.databind.annotation.JsonNaming;
 import com.github.shredder121.gh_event_api.model.json.PropertyBasedJsonCreator;
@@ -51,4 +52,17 @@ public class User {
      * The (GitHub Web UI) URL to view this user.
      */
     String htmlUrl;
+
+    /**
+     * The type of User.
+     * (Payloads can be sent from {@code User}s or {@code Organization}s)
+     */
+    String type;
+
+    /**
+     * Whether the user is the administrator.
+     * (On GitHub.com this means a GitHub employee)
+     */
+    @JsonProperty("site_admin")
+    boolean isSiteAdmin;
 }
diff --git a/src/test/java/com/github/shredder121/gh_event_api/testutil/HamcrestHelpers.java b/src/test/java/com/github/shredder121/gh_event_api/testutil/HamcrestHelpers.java
index c38dcfd..f655f54 100644
--- a/src/test/java/com/github/shredder121/gh_event_api/testutil/HamcrestHelpers.java
+++ b/src/test/java/com/github/shredder121/gh_event_api/testutil/HamcrestHelpers.java
@@ -107,7 +107,8 @@ private BaxterTheHacker() {
         public static final Matcher<User> BAXTERTHEHACKER = allOf(asList(
                 property(User::getId, is(6752317)),
                 property(User::getLogin, is("baxterthehacker")),
-                property(User::getHtmlUrl, is("https://github.com/baxterthehacker"))
+                property(User::getHtmlUrl, is("https://github.com/baxterthehacker")),
+                property(User::isSiteAdmin, is(false))
         ));
 
         public static final Matcher<Repository> BAXTERTHEHACKER_PUBLIC_REPO = allOf(asList(
@@ -125,7 +126,8 @@ private JasonRudolph() {
         public static final Matcher<User> JASONRUDOLPH = allOf(asList(
                 property(User::getId, is(2988)),
                 property(User::getLogin, is("jasonrudolph")),
-                property(User::getHtmlUrl, is("https://github.com/jasonrudolph"))
+                property(User::getHtmlUrl, is("https://github.com/jasonrudolph")),
+                property(User::isSiteAdmin, is(true))
         ));
     }
 
@@ -137,7 +139,8 @@ private Kdaigle() {
         public static final Matcher<User> KDAIGLE = allOf(asList(
                 property(User::getId, is(2501)),
                 property(User::getLogin, is("kdaigle")),
-                property(User::getHtmlUrl, is("https://github.com/kdaigle"))
+                property(User::getHtmlUrl, is("https://github.com/kdaigle")),
+                property(User::isSiteAdmin, is(true))
         ));
     }