diff --git a/src/_icons/brand-tumblr.svg b/src/_icons/brand-tumblr.svg
new file mode 100644
index 000000000..387a7ca52
--- /dev/null
+++ b/src/_icons/brand-tumblr.svg
@@ -0,0 +1,6 @@
+---
+category: Brand
+---
+<svg>
+  <path d="M14 21h4v-4h-4v-6h4v-4h-4v-4h-4v1a3 3 0 0 1 -3 3h-1v4h4v6a4 4 0 0 0 4 4" />
+</svg>
diff --git a/src/_icons/brand-twitch.svg b/src/_icons/brand-twitch.svg
index 9155d3547..667985e98 100644
--- a/src/_icons/brand-twitch.svg
+++ b/src/_icons/brand-twitch.svg
@@ -1,4 +1,5 @@
 ---
+category: Brand
 ---
 <svg>
   <path d="M4 5v11a1 1 0 0 0 1 1h2v4l4 -4h5.584c.266 0 .52 -.105 .707 -.293l2.415 -2.414c.187 -.188 .293 -.442 .293 -.708v-8.585a1 1 0 0 0 -1 -1h-14a1 1 0 0 0 -1 1z" />
diff --git a/src/_icons/brand-twitter.svg b/src/_icons/brand-twitter.svg
index 6458b323f..493f89397 100644
--- a/src/_icons/brand-twitter.svg
+++ b/src/_icons/brand-twitter.svg
@@ -2,5 +2,5 @@
 category: Brand
 ---
 <svg>
-  <path d="M3 17h1m16 0h1m-15.4 -6.4l.7 .7m12.1 -.7l-.7 .7m-9.7 5.7a4 4 0 0 1 8 0" />
+  <path d="M22 4.01c-1 .49-1.98.689-3 .99-1.121-1.265-2.783-1.335-4.38-.737S11.977 6.323 12 8v1c-3.245.083-6.135-1.395-8-4 0 0-4.182 7.433 4 11-1.872 1.247-3.739 2.088-6 2 3.308 1.803 6.913 2.423 10.034 1.517 3.58-1.04 6.522-3.723 7.651-7.742a13.84 13.84 0 0 0 .497 -3.753C20.18 7.773 21.692 5.25 22 4.009z" />
 </svg>