Erik Broes
Erik 'Grum' Broes is a former software engineer at Mojang Studios. He was originally hired to develop the official modding API and maintain the Minecraft server. In August 2012, his duties were broadened, to include general game development. At some point between June 2024 and May 2025,[when?] he left Mojang.[note 1]
Broes has been actively involved with the Minecraft community, and has joined with many prominent Minecraft figures, such as appearing in SethBling's channel on YouTube,[4] a popular and well-known channel regarding Minecraft.
Broes was also previously an admin on the Dutch TweakCraft server.[5][6] While not active in-game, he was mostly active on the server's IRC channel and mainly worked on the server's plugins and coding.[citation needed]
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| Real name | Erik Broes |
|---|---|
| Date of birth | December 2[1] |
| Occupation | Software Engineer |
| Nationality | Dutch |
| Languages | English, Dutch[2] |
| Known for | Bukkit |
| Reddit name | _Grum |
| X (Twitter) handle | @_grum |
| GitHub profile | grum |
| Bug tracker profile | Grum |
| Minecraft names | Grumm[3] |
Erik 'Grum' Broes is a former software engineer at Mojang Studios. He was originally hired to develop the official modding API and maintain the Minecraft server. In August 2012, his duties were broadened, to include general game development. At some point between June 2024 and May 2025,[when?] he left Mojang.[note 1]
Broes has been actively involved with the Minecraft community, and has joined with many prominent Minecraft figures, such as appearing in SethBling's channel on YouTube,[4] a popular and well-known channel regarding Minecraft.
Broes was also previously an admin on the Dutch TweakCraft server.[5][6] While not active in-game, he was mostly active on the server's IRC channel and mainly worked on the server's plugins and coding.[citation needed]
Trivia
- Grumm, in-game, has been hidden in most of the "cover pictures" of snapshots starting with Java Edition 13w19a.
- Starting in Java Edition 1.6.1, most mobs named "Grumm" or "Dinnerbone" (or the players themselves) are rendered upside-down.
Gallery
-
Broes' official Mojang avatar. -
Broes' Minecraft skin. -
Broes holding melons. -
An example of an upside down mob by renaming its egg "Grumm" -
Grum with some other developers.
Notes
- ↑ He was added to the "alumni" section of the credit sequence in Java Edition 25w20a.
References
- ↑ "Got more happy bdays than I turned years old! So that means there is a bigger number after all! ;) Thanks all of you!" – @_grum (Erik Broes) on X (formerly Twitter), December 2, 2013
- ↑ "@Jimmeehhh I can't remember talking dutch at all that night. I just talk dutch with my wife, it's getting harder to pick the right words ;D" – @_grum (Erik Broes) on X (formerly Twitter), November 5, 2013
- ↑ "I am Erik Broes aka Grum, Developer of Minecraft - Ask me Anything!" by _Grum – Reddit, April 10, 2012.
- ↑ "Redstone Lessons with a Mojangster (Part 1 of 4)" by SethBling – YouTube, October 6, 2012.
- ↑ "Admins" – TweakCraft.
- ↑ https://twitter.com/_grum/status/398402348504322048
