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Infobox Player
Overview   Statistics   Match History    

Background Information
Name: Jakob Mebdi
Country of Birth: Sweden Sweden
Birthday: December 30, 1995 (1995-12-30) (age 22)
Residency: News Label - Europe.png Europe
Role: Coach
Favorite champions:     
Alternate IDs: CJ YamatoKami, hc YamatoCannon, WACKAFL0CKAFLAME, DB YamatoCannon, yamatocannón, H2k YamatoCannon, YamatoPotato, WW YamatoCannon, mTL Tt YamCannon, ManOfOneWáy
Peak League: DiamondLeague.png Diamond I (EU)
Social Media and Links
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Infobox Player Reddit.png
Infobox Player askfm.png
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Team History
Trophy icon small black.png
Sep 2011 - Oct 2011
Mistrallogo std.png Team Mistral
Nov 2011 - Jan 2012
Logo std2.png High Sea Tigers
Jan 2012 - May 2012
Wwlogo std.png Western Wolves
Jul 2012 - Aug 2012
Allogo std.png Absolute Legends.Alpha
Aug 2012 - Oct 2012
TtDragonslogo std.png Tt Dragons
Oct 2012 - Oct 2012
H2klogo std.png H2k-Gaming
Oct 2012 - Jan 2013
TeamSoloMebdilogo std.png Team Solo Mebdi
Feb 2013 - May 2013
Dragonbornlogo std.png DragonBorns
Apr 2013 - May 2013
Dragonbornlogo std.png DragonBorns
May 2013 - Jun 2013
HClogo std.png Heimerdinger's Colossi
Jun 2013 - Aug 2013
Aaalogo std.png against All authority
Aug 2013 - Dec 2013
Lemondogslogo std.png Lemondogs
Jan 2015 - Apr 2015
Coachlogo std.png
Mymlogo std.png MeetYourMakers
Apr 2015 - Apr 2015
Coachlogo std.png
GPXlogo std.png Glacial Phoenix
Apr 2015 - Jan 2016
Coachlogo std.png
ROCCATlogo std.png Team ROCCAT
Jan 2016 - Apr 2017
Coachlogo std.png
Splycelogo std.png Splyce

Jakob "YamatoCannon" Mebdi is a former League of Legends player and currently the head coach for Team Vitality.


Jakob is from Västerås, Sweden. Before playing League of Legends he played high level World of Warcraft, Warcraft 3 and Starcraft 2. In League of Legends, he has played on various teams as AP, Top, and AD. He is known as a very versatile player. He was the AD carry for Team Solo Mebdi. However, the team disbanded after three of its members were banned by Riot for exceptionally toxic behavior.[1]

2015 Season

On January 10th, MeetYourMakers announced YamatoCannon as their new head coach for the 2015 EU LCS Spring Season.[2] After MYM was auto-relegated from the LCS, YamatoCannon joined the Russian team Glacial Phoenix as their head coach. He stated that while he eventually wanted to return to coaching an LCS team, he also didn't want to take any time off; he also stated he did not plan to ever return to competing as a player.[3]

On April 15th, Team ROCCAT announced YamatoCannon as their new Head Coach.[4]


  • Known for his  Olaf playstyle in season 2.
  • Played as Top, Mid and AD competitively.
  • His name refers to the Yamato Cannon from the Starcraft franchise, a powerful nuclear shot fired from a terran Battlecruiser unit.
  • Speaks fluent Arabic, Polish and Swedish.


As a Coach

  • 2015

As a Player




External Links


  1. eSports Competition Rulings: Suspensions of StunnedandSlayed, Veigodx and Rayt3ch legaueoflegends.com
  2. MeetYourMaker's Facebook Post facebook.com
  3. YamatoCannon VLOG 1 - My Career and my future youtube.com
  4. Team ROCCAT is loaded and so am I: Big Announcement (video) youtube.com