Tatsuya Ito (Tatsurd-cacocaco)

Tatsuya Ito (alias Tatsurd-cacocaco) is a Japanese speedrunner and level designer, who holds world records in several IWAD levels. In Japanese, he is known as Cacocacodemon (カコカコデーモン).

2005

 * DEMONS BattleField (as Cacocacodemon)

2010

 * Heretic Treasure Chest

2011

 * Plutonia: Revisited Community Project
 * 1994 Tune-up Community Project
 * (based on by Russell Gruber)
 * (with Solarn; based on by Brian and Craig Sparks)
 * (based on by Richard Dignall)
 * (with Solarn; based on by Brian and Craig Sparks)
 * (based on by Richard Dignall)

2016

 * Japanese Community Project
 * Project leader

2018

 * Slaughterfest 3
 * MAP05: Evil Battlefield of Demons
 * MAP17: Fierce Attack

Current Compet-n records
The following data was last verified in its entirety on July 17, 2020.

Level runs for the original Doom games

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Level runs for the PWADs
Tatsuya holds 72 additional map records: 46 for Alien Vendetta, three for Hell Revealed, 10 for Memento Mori, four for Memento Mori II, and nine for Requiem.

Other records
Tatsuya also holds two episode/full run records for The Ultimate Doom.