If you’ve watched Cobra Kai, you know Tanner Buchanan as the troubled but skilled Robby Keene. But behind the adrenaline-pumping fight scenes and teenage drama lies a real person navigating Hollywood, public scrutiny, and a very public relationship with a co-star. Here’s a fact-checked look at the actor’s age, career, romantic timeline, and the controversies that have kept fans talking.

Born: December 8, 1998 ·
Height: 5 ft 9 in (1.75 m) ·
Instagram Followers: 3.4 million ·
Notable Role: Robby Keene in Cobra Kai

Quick snapshot

1Confirmed facts
  • Born December 8, 1998 in Lima, Ohio (Wikipedia)
  • Engaged to Mary Mouser in February 2025 (Wikipedia)
2What’s unclear
  • Exact net worth remains unconfirmed by official sources
  • Real-life black belt status is disputed
3Timeline signal
4What’s next
  • Post-Cobra Kai career projects and public appearances with fiancée Mary Mouser

The table below summarizes verified biographical data for Tanner Buchanan.

Field Value
Full Name Tanner Buchanan
Born December 8, 1998
Height 5 ft 9 in (1.75 m)
Occupation Actor
Known For Robby Keene in Cobra Kai
Instagram Followers 3.4 million

Is Tanner Buchanan Irish?

Despite his last name, Buchanan is not Irish. He was born in Lima, Ohio, and identifies as American. His parents are Steve and Marlona Buchanan (Wikipedia).

What is Tanner Buchanan’s ethnicity?

Tanner Emmanuel Cristobal Buchanan — his full name — reflects Filipino heritage on his mother’s side. He grew up in Ohio before relocating to Los Angeles with his family to pursue acting (Wikipedia (Finnish)).

Where was Tanner Buchanan born?

Contrary to some online reports, Buchanan was born in Lima, Ohio, not Oklahoma City. The discrepancy stems from early inaccurate biographical snippets that circulated during his rise to fame (

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