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Last reviewed: September 25, 2026

Serious Klein

Rapper

BornJune 6, 1991 Age35 Years NationalityGerman-Ghanaian
Profession Rapper Musician
Nationality German-Ghanaian

About Serious Klein

Serious Klein, born Kelvin Boakye in Hannover on 6 June 1991 to Ghanaian parents, is a rapper who came up through Germany's underground hip hop scene. In November 2024 he signed to Nas's label Mass Appeal Records.

Early life

He was raised by his mother, a kindergarten worker, after his parents separated when he was two. The family moved to Duisburg and later Oer-Erkenschwick. He began writing at 12 and recorded his first song at 14 through a school project.

Career

He first performed as Key Bee, from his initials, and became Serious Klein in 2012. Ross Osei and producer Shove Island brought him onto DSTY Records in 2009, and he later co-founded the collective The Family Tree / 555. His EPs The Serious Outlook (2012), The Introduction (2015) and Summer 03's Problem (2016) led to his debut album You Should've Known on Majestic Casual in 2018.

Frequently asked questions about Kelvin Boakye

How old is Serious Klein?

Serious Klein is 35 years old, born June 6, 1991.

What is Serious Klein known for?

Serious Klein is a Rapper.

What is Serious Klein's nationality?

Serious Klein is German-Ghanaian.

Personal Information

Full Name
Kelvin Boakye
Date of Birth
6 June 1991
Nationality
German-Ghanaian

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Sources & References

  1. en.wikipedia.org/wiki/Serious_Klein

Profile compiled from publicly available records. See our full source methodology →

Profile last updated: September 25, 2026  ·  Last fact-checked: September 25, 2026

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