Following the divorce of his parents, he was raised by a single mother in extreme poverty, living together with his three siblings in a small cottage with broken windows and no running water.

[3] In July 2023, Tankó was involved in an incident at the Fight Night Challenge tournament in Bratislava.

Aggravated by what he saw as poor referring, he jumped into the ring and kicked the boxer Pavol Vaško.

[4] In the 2023 Slovak parliamentary election Tankó won a seat in the parliament on the list of Ordinary People and Independent Personalities (OĽaNO) party.

[5] While campaigning before the election, a bar in Spišská Nová Ves refused to serve Tankó, his pregnant partner and Romani OĽaNO MP Peter Pollák coffee because of their race.