Michael Grube (migru)

Michael Grube (alias migru) is a German Doom level designer and speedrunner who, during 1996 and 1997, submitted nearly 80 demos to the Doom Speed Demo Archive.

1995

 * X-Dove
 * XD700
 * Memento Mori Update: The Skill-4-Demo-Collection
 * Demos for all MAPs except 21 & 28

1996

 * SWIRL
 * M-SWIRL (Micro-Swirl)

1997

 * Memento Mori 2: The Real Skill 4 Demo Collection
 * Demos for all MAPs except 22 & 29
 * Strain - complete lmp collection
 * Demos for MAPs 06, 12, 23 and 27