diff --git a/.mailmap b/.mailmap
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+Max Wu <jackymaxj@gmail.com>                 Wu Cheng-Han <jacky_cute0808@hotmail.com>
+Max Wu <jackymaxj@gmail.com>                 Cheng-Han, Wu <jackymaxj@gmail.com>
+Max Wu <jackymaxj@gmail.com>                 jackycute <jackymaxj@gmail.com>
+Max Wu <jackymaxj@gmail.com>                 Wu, Cheng-Han <jackymaxj@gmail.com>
+Max Wu <jackymaxj@gmail.com>                 jackycute <jacky_cute0808@hotmail.com>
+
+Sheogorath <sheogorath@shivering-isles.com>  Christoph (Sheogorath) Kern <sheogorath@shivering-isles.com>
+
+Raccoon <raccoon@hackmd.io>                  Raccoon Li <a60814billy@gmail.com>
+Raccoon <raccoon@hackmd.io>                  Raccoon <a60814billy@gmail.com>
+
+Peter Dave Hello <hsu@peterdavehello.org>    Peter Dave Hello <PeterDaveHello@users.noreply.github.com>
+
+Claudius Coenen <github@amenthes.de>         Claudius Coenen <opensource@amenthes.de>