diff --git a/README.md b/README.md
index fa1f055491..02aaa8ce02 100644
--- a/README.md
+++ b/README.md
@@ -376,7 +376,7 @@ gem 'faker', :git => 'https://github.com/faker-ruby/faker.git', :branch => 'main
   - [Faker::JapaneseMedia::Naruto](doc/japanese_media/naruto.md)
   - [Faker::JapaneseMedia::Doraemon](doc/japanese_media/doraemon.md)
   - [Faker::JapaneseMedia::Conan](doc/japanese_media/conan.md)
-  - [Faker::JapaneseMedia::FmaBrotherhood](doc/japanese_media/fullmetal_alchemist_brotherhood.md)
+  - [Faker::JapaneseMedia::FullmetalAlchemistBrotherhood](doc/japanese_media/fullmetal_alchemist_brotherhood.md)
 </details>
 
 <details>
diff --git a/doc/japanese_media/fullmetal_alchemist_brotherhood.md b/doc/japanese_media/fullmetal_alchemist_brotherhood.md
index 12c2ffa880..ddd6f1074e 100644
--- a/doc/japanese_media/fullmetal_alchemist_brotherhood.md
+++ b/doc/japanese_media/fullmetal_alchemist_brotherhood.md
@@ -1,9 +1,9 @@
-# Faker::JapaneseMedia::FmaBrotherhood
+# Faker::JapaneseMedia::FullmetalAchemistBrotherhood
 
 ```ruby
-Faker::JapaneseMedia::FmaBrotherhood.character #=> "Edward Elric"
+Faker::JapaneseMedia::FullmetalAchemistBrotherhood.character #=> "Edward Elric"
 
-Faker::JapaneseMedia::FmaBrotherhood.city #=> "Central City"
+Faker::JapaneseMedia::FullmetalAchemistBrotherhood.city #=> "Central City"
 
-Faker::JapaneseMedia::FmaBrotherhood.country #=> "Xing"
+Faker::JapaneseMedia::FullmetalAchemistBrotherhood.country #=> "Xing"
 ```
diff --git a/lib/faker/japanese_media/fullmetal_alchemist_brotherhood.rb b/lib/faker/japanese_media/fullmetal_alchemist_brotherhood.rb
index b07ba37609..493cdf51a0 100644
--- a/lib/faker/japanese_media/fullmetal_alchemist_brotherhood.rb
+++ b/lib/faker/japanese_media/fullmetal_alchemist_brotherhood.rb
@@ -2,47 +2,50 @@
 
 module Faker
   class JapaneseMedia
-    class FmaBrotherhood < Base
+    class FullmetalAlchemistBrotherhood < Base
       class << self
         ##
-        # Produces a character from FmaBrotherhood.
+        # Produces a character from FullmetalAlchemistBrotherhood.
         #
         # @return [String]
         #
         # @example
-        #   Faker::JapaneseMedia::FmaBrotherhood.character #=> "Edward Elric"
+        #   Faker::JapaneseMedia::FullmetalAlchemistBrotherhood.character #=> "Edward Elric"
         #
         # @faker.version next
         def character
-          fetch('fma_brotherhood.characters')
+          fetch('fullmetal_alchemist_brotherhood.characters')
         end
 
         ##
-        # Produces a cities from FmaBrotherhood.
+        # Produces a cities from FullmetalAlchemistBrotherhood.
         #
         # @return [String]
         #
         # @example
-        #   Faker::JapaneseMedia::FmaBrotherhood.city #=> "Central City"
+        #   Faker::JapaneseMedia::FullmetalAlchemistBrotherhood.city #=> "Central City"
         #
         # @faker.version next
         def city
-          fetch('fma_brotherhood.cities')
+          fetch('fullmetal_alchemist_brotherhood.cities')
         end
 
         ##
-        # Produces a country from FmaBrotherhood.
+        # Produces a country from FullmetalAlchemistBrotherhood.
         #
         # @return [String]
         #
         # @example
-        #   Faker::JapaneseMedia::FmaBrotherhood.country #=> "Xing"
+        #   Faker::JapaneseMedia::FullmetalAlchemistBrotherhood.country #=> "Xing"
         #
         # @faker.version next
         def country
-          fetch('fma_brotherhood.countries')
+          fetch('fullmetal_alchemist_brotherhood.countries')
         end
       end
     end
+
+    include Faker::Deprecator
+    deprecate_generator('FmaBrotherhood', FullmetalAlchemistBrotherhood)
   end
 end
diff --git a/lib/locales/en/fma_brotherhood.yml b/lib/locales/en/fullmetal_alchemist_brotherhood.yml
similarity index 95%
rename from lib/locales/en/fma_brotherhood.yml
rename to lib/locales/en/fullmetal_alchemist_brotherhood.yml
index d83966071c..6061fe4093 100644
--- a/lib/locales/en/fma_brotherhood.yml
+++ b/lib/locales/en/fullmetal_alchemist_brotherhood.yml
@@ -1,6 +1,6 @@
 en:
   faker:
-    fma_brotherhood:
+    fullmetal_alchemist_brotherhood:
       characters:
         - Edward Elric
         - Alphonse Elric
@@ -8,7 +8,7 @@ en:
         - Riza Hawkeye
         - Scar
         - Winry Rockbell
-        - May Chang 
+        - May Chang
         - Maes Hughes
         - Alex Louis Armstrong
         - Jean Havoc
@@ -47,7 +47,7 @@ en:
         - Isaac McDougal
         - Solf J. Kimblee
         - Van Hohenheim
-        - Fu 
+        - Fu
         - Ling Yao
         - Lan Fan
         - Olivier Mira Armstrong
diff --git a/test/faker/japanese_media/test_faker_fullmetal_alchemist_brotherhood.rb b/test/faker/japanese_media/test_faker_fullmetal_alchemist_brotherhood.rb
index ad23e96de1..f651796a6a 100644
--- a/test/faker/japanese_media/test_faker_fullmetal_alchemist_brotherhood.rb
+++ b/test/faker/japanese_media/test_faker_fullmetal_alchemist_brotherhood.rb
@@ -19,3 +19,21 @@ def test_country
     assert_match(/\w+/, @tester.country)
   end
 end
+
+class TestFakerFullmetalAlchemistBrotherhood < Test::Unit::TestCase
+  def setup
+    @tester = Faker::JapaneseMedia::FullmetalAlchemistBrotherhood
+  end
+
+  def test_character
+    assert_match(/\w+/, @tester.character)
+  end
+
+  def test_city
+    assert_match(/\w+/, @tester.city)
+  end
+
+  def test_country
+    assert_match(/\w+/, @tester.country)
+  end
+end