diff --git a/app/Models/Validation/Messages/Factories/UsernameMessageByNameFactory.php b/app/Models/Validation/Messages/Factories/UsernameMessageByNameFactory.php
new file mode 100644
index 0000000..c244080
--- /dev/null
+++ b/app/Models/Validation/Messages/Factories/UsernameMessageByNameFactory.php
@@ -0,0 +1,18 @@
+<?php
+
+namespace App\Models\Validation\Messages\Factories;
+
+use App\Models\Validation\Messages\Factories\MessageFactory;
+
+class UsernameMessageByNameFactory extends MessageFactory
+{
+    public function create(): array
+    {
+        return [
+            'found' => "A user with the username is valid.",
+            'not_found' => "A user with the username does not exist!!!",
+            'invalid_name' => "The username is invalid, please, check that you are registered or signed in!!!",
+        ];
+    }
+}
+
diff --git a/app/Models/Validation/Validators/Informative/Factories/UserInformativeValidatorByMatrixUserNameFactory.php b/app/Models/Validation/Validators/Informative/Factories/UserInformativeValidatorByMatrixUserNameFactory.php
new file mode 100644
index 0000000..7cde6e9
--- /dev/null
+++ b/app/Models/Validation/Validators/Informative/Factories/UserInformativeValidatorByMatrixUserNameFactory.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace App\Models\Validation\Validators\Informative\Factories;
+
+use App\Models\Validation\Validators\Informative\Factories\InformativeValidatorByNameFactory;
+use App\Models\Validation\Validators\Informative\InformativeValidator;
+use App\Models\Validation\Messages\Factories\UsernameMessageByNameFactory;
+
+use App\Models\Validation\Validators\Validator;
+use App\Models\Validation\Validators\UserValidatorByMatrixUserName;
+
+class UserInformativeValidatorByMatrixUserNameFactory extends InformativeValidatorByNameFactory
+{
+    public function __construct(string $name)
+    {
+        $this->setMessages((new UsernameMessageByNameFactory())->create());
+
+        $this->setName($name);
+    }
+
+    public function getValidatorByName(InformativeValidator $okValidator): Validator
+    {
+        return new UserValidatorByMatrixUserName($this->name, $okValidator);
+    }
+}
+
diff --git a/tests/Feature/Validation/Validators/Informative/Factories/UserInformativeValidatorByMatrixUserNameFactoryTest.php b/tests/Feature/Validation/Validators/Informative/Factories/UserInformativeValidatorByMatrixUserNameFactoryTest.php
new file mode 100644
index 0000000..f296136
--- /dev/null
+++ b/tests/Feature/Validation/Validators/Informative/Factories/UserInformativeValidatorByMatrixUserNameFactoryTest.php
@@ -0,0 +1,47 @@
+<?php
+
+namespace Tests\Feature;
+
+use Tests\TestCase;
+
+use App\Models\Validation\Validators\Informative\Factories\UserInformativeValidatorByMatrixUserNameFactory;
+
+class UserInformativeValidatorByMatrixUserNameFactoryTest extends TestCase
+{
+    public function dataProvider() {
+        return [
+            'Found Case' => [
+                'name' => '@test:test.com',
+                'key' => 'ok',
+                'message' => 'A user with the username is valid.',
+                'isValid' => true,
+            ],
+            'Not Found Case' => [
+                'name' => '@kostia:test.com',
+                'key' => 'error',
+                'message' => 'A user with the username does not exist!!!',
+                'isValid' => false,
+            ],
+            'Invalid Case' => [
+                'name' => '',
+                'key' => 'error',
+                'message' => 'The username is invalid, please, check that you are registered or signed in!!!',
+                'isValid' => false,
+            ],
+        ];
+    }
+
+    /**
+     * @dataProvider dataProvider
+     */
+    public function testValidatorFactory(string $name, string $key, string $message, bool $isValid): void
+    {
+        $factory = new UserInformativeValidatorByMatrixUserNameFactory($name);
+        $validator = $factory->create();
+
+        $this->assertEquals($validator->getMessage(), $message);
+        $this->assertEquals($validator->getOkStatus(), [$key => $message]);
+        $this->assertEquals($validator->isValid(), $isValid);
+    }
+}
+