Birkenstock
CharacterKarl Birkenstock is a center-back for Bastard München's U-20 team. Tall and blond, he anchors the side's defense alongside Mensah and starts every Neo Egoist League match without being substituted.
Appearance
Height and upswept blond hair mark Birkenstock, who is regularly shown wearing the Bastard München kit.
Abilities
Birkenstock anchors the Bastard München back line as a center-back, partnered with Mensah as one of the side's two main defenders through the Neo Egoist League. The role sits directly ahead of the keeper and centers on tackling, reading passes to cut them out, shadowing forwards, and winning balls in the air, with modern center-backs also launching attacks through composed distribution.
History
Introduced in Chapter 157, Birkenstock, whose full name is given as Karl Birkenstock, represents Bastard München's youth team across the Neo Egoist League. He starts every league fixture without once being substituted, a distinction shared with Michael Kaiser, Alexis Ness, and Mensah, and opens the tournament ranked fifth within the club.
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Frequently Asked Questions
What position is Birkenstock in Blue Lock?
Birkenstock, whose full name is Karl Birkenstock, plays center back for Bastard München's U-20 team. He anchors the side's defense alongside Mensah through the Neo Egoist League.
Who is Birkenstock in Blue Lock?
Birkenstock is a tall, blond center back for Bastard München's youth team, full name Karl Birkenstock. He starts every Neo Egoist League match for the club without once being substituted.
What does Birkenstock look like in Blue Lock?
Birkenstock is notably tall with upswept blond hair. He is regularly shown wearing the Bastard München kit on the field.
Who is Birkenstock's defensive partner at Bastard München?
Birkenstock is partnered with Mensah as one of Bastard München's two main defenders through the Neo Egoist League. Together they anchor the back line ahead of the goalkeeper.
Did Birkenstock start every match in the Neo Egoist League?
Birkenstock started every league fixture for Bastard München without once being substituted, a distinction he shares with Michael Kaiser, Alexis Ness, and Mensah. He opened the tournament ranked fifth within the club.
Sources & Information
Looking for more on Birkenstock? The Blue Lock Wiki on Fandom has a dedicated page with community notes.
View on FandomThis content is original writing by Daddy Jim Headquarters based on the Blue Lock anime series, manga, and official materials. Episode and chapter references are cited where applicable.
Character and scene imagery on this site is original artwork by Daddy Jim Headquarters, not screenshots or licensed imagery. Official cover art is used on three types of pages for editorial commentary:
- Movie pages: theatrical key visuals for Blue Lock: Episode Nagi, credited to Eight Bit and the production committee.
- Game pages: official artwork for Blue Lock: Project World Champion, credited to Kodansha and Rudel.
- Manga chapter pages: Kodansha Comics volume covers, credited to Kodansha, Muneyuki Kaneshiro, and Yusuke Nomura.
Official resources:
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