diff --git a/src/parser/classes/BackstageImage.ts b/src/parser/classes/BackstageImage.ts
index dbafe522..fa03bdaa 100644
--- a/src/parser/classes/BackstageImage.ts
+++ b/src/parser/classes/BackstageImage.ts
@@ -1,14 +1,17 @@
 import Thumbnail from './misc/Thumbnail';
+import NavigationEndpoint from './NavigationEndpoint';
 import { YTNode } from '../helpers';
 
 class BackstageImage extends YTNode {
   static type = 'BackstageImage';
 
   image: Thumbnail[];
+  endpoint: NavigationEndpoint;
 
   constructor(data: any) {
     super();
     this.image = Thumbnail.fromResponse(data.image);
+    this.endpoint = new NavigationEndpoint(data.command);
   }
 }
 
diff --git a/src/parser/classes/BackstagePost.ts b/src/parser/classes/BackstagePost.ts
index 2ed7ad10..8fbc5031 100644
--- a/src/parser/classes/BackstagePost.ts
+++ b/src/parser/classes/BackstagePost.ts
@@ -2,6 +2,8 @@ import Parser from '../index';
 import Author from './misc/Author';
 import Text from './misc/Text';
 import NavigationEndpoint from './NavigationEndpoint';
+import type CommentActionButtons from './comments/CommentActionButtons';
+import type Menu from './menus/Menu';
 
 import { YTNode } from '../helpers';
 
@@ -12,19 +14,18 @@ class BackstagePost extends YTNode {
   author: Author;
   content: Text;
   published: Text;
-  poll_status: string;
-  vote_status: string;
-  likes: Text;
-  menu;
-  actions;
+  poll_status?: string;
+  vote_status?: string;
+  vote_count?: Text;
+  menu?: Menu | null;
+  action_buttons;
   vote_button;
   surface: string;
-  endpoint: NavigationEndpoint;
+  endpoint?: NavigationEndpoint;
   attachment;
 
   constructor(data: any) {
     super();
-
     this.id = data.postId;
 
     this.author = new Author({
@@ -34,15 +35,40 @@ class BackstagePost extends YTNode {
 
     this.content = new Text(data.contentText);
     this.published = new Text(data.publishedTimeText);
-    this.poll_status = data.pollStatus;
-    this.vote_status = data.voteStatus;
-    this.likes = new Text(data.voteCount);
-    this.menu = Parser.parse(data.actionMenu) || null;
-    this.actions = Parser.parse(data.actionButtons);
-    this.vote_button = Parser.parse(data.voteButton);
+
+    if (data.pollStatus) {
+      this.poll_status = data.pollStatus;
+    }
+
+    if (data.voteStatus) {
+      this.vote_status = data.voteStatus;
+    }
+
+    if (data.voteCount) {
+      this.vote_count = new Text(data.voteCount);
+    }
+
+    if (data.actionMenu) {
+      this.menu = Parser.parseItem<Menu>(data.actionMenu);
+    }
+
+    if (data.actionButtons) {
+      this.action_buttons = Parser.parseItem<CommentActionButtons>(data.actionButtons);
+    }
+
+    if (data.voteButton) {
+      this.vote_button = Parser.parseItem(data.voteButton);
+    }
+
+    if (data.navigationEndpoint) {
+      this.endpoint = new NavigationEndpoint(data.navigationEndpoint);
+    }
+
+    if (data.backstageAttachment) {
+      this.attachment = Parser.parseItem(data.backstageAttachment);
+    }
+
     this.surface = data.surface;
-    this.endpoint = new NavigationEndpoint(data.navigationEndpoint);
-    this.attachment = Parser.parse(data.backstageAttachment) || null;
   }
 }
 
diff --git a/src/parser/classes/BackstagePostThread.ts b/src/parser/classes/BackstagePostThread.ts
index a43c5240..24d97253 100644
--- a/src/parser/classes/BackstagePostThread.ts
+++ b/src/parser/classes/BackstagePostThread.ts
@@ -8,7 +8,7 @@ class BackstagePostThread extends YTNode {
 
   constructor(data: any) {
     super();
-    this.post = Parser.parse(data.post);
+    this.post = Parser.parseItem(data.post);
   }
 }
 
diff --git a/src/parser/classes/Playlist.ts b/src/parser/classes/Playlist.ts
index e65c2957..d9b18efc 100644
--- a/src/parser/classes/Playlist.ts
+++ b/src/parser/classes/Playlist.ts
@@ -33,12 +33,12 @@ class Playlist extends YTNode {
     this.thumbnails = Thumbnail.fromResponse(data.thumbnail || { thumbnails: data.thumbnails.map((th: any) => th.thumbnails).flat(1) });
     this.video_count = new Text(data.thumbnailText);
     this.video_count_short = new Text(data.videoCountShortText);
-    this.first_videos = Parser.parse(data.videos) || [];
+    this.first_videos = Parser.parseArray(data.videos);
     this.share_url = data.shareUrl || null;
-    this.menu = Parser.parse(data.menu);
-    this.badges = Parser.parse(data.ownerBadges);
+    this.menu = Parser.parseItem(data.menu);
+    this.badges = Parser.parseArray(data.ownerBadges);
     this.endpoint = new NavigationEndpoint(data.navigationEndpoint);
-    this.thumbnail_overlays = Parser.parse(data.thumbnailOverlays) || [];
+    this.thumbnail_overlays = Parser.parseArray(data.thumbnailOverlays);
   }
 }
 
diff --git a/src/parser/classes/Poll.ts b/src/parser/classes/Poll.ts
index 278a7132..8de91522 100644
--- a/src/parser/classes/Poll.ts
+++ b/src/parser/classes/Poll.ts
@@ -7,25 +7,25 @@ class Poll extends YTNode {
   static type = 'Poll';
 
   choices: {
-    text: string;
+    text: Text;
     select_endpoint: NavigationEndpoint | null;
     deselect_endpoint: NavigationEndpoint | null;
-    vote_ratio_if_selected: number | string | null;
-    vote_percentage_if_selected: number | string | null;
-    vote_ratio_if_not_selected: number | string| null;
-    vote_percentage_if_not_selected: number | string | null;
+    vote_ratio_if_selected: number | null;
+    vote_percentage_if_selected: Text;
+    vote_ratio_if_not_selected: number | null;
+    vote_percentage_if_not_selected: Text;
     image: Thumbnail[] | null;
   }[];
 
-  poll_type;
-  total_votes;
-  live_chat_poll_id;
+  poll_type?: string;
+  total_votes?: Text;
+  live_chat_poll_id?: string;
 
   constructor(data: any) {
     super();
 
     this.choices = data.choices.map((choice: any) => ({
-      text: new Text(choice.text).toString(),
+      text: new Text(choice.text),
       select_endpoint: choice.selectServiceEndpoint ? new NavigationEndpoint(choice.selectServiceEndpoint) : null,
       deselect_endpoint: choice.deselectServiceEndpoint ? new NavigationEndpoint(choice.deselectServiceEndpoint) : null,
       vote_ratio_if_selected: choice?.voteRatioIfSelected || null,