"What? But Levski’s got the Quaffle!"
-- Harry Potter looking through Omnioculars at the 1994 Quidditch World Cup (GF8)
Along with his Chaser colleagues Dimitrov and Ivanova, Levski was a member of the Bulgarian team that lost to Ireland in the 1994 tournament. The other members of the 1994 team were: Viktor Krum (Seeker); Volkov and Vulchanov (Beaters); and Zograf (Keeper) (GF8).
Other canon notes and references
A videogame with Famous Wizards cards gives him a first name of "Alexei".
Lexicon list of Chasers
From the Web
Writing by J.K. Rowling on Pottermore:
- History of the Quidditch World Cup
- 2014 Quidditch World Cup reports
- 2014 Quidditch World Cup final
- The Daily Prophet
Pottermore enhanced reading experience: Quidditch World Cup
Screenshots of the original Daily Prophet coverage of the 2014 Quidditch World Cup on Pottermore: Imgur archive
Harry Potter Wiki: Alexei Levski