Yassen Gregorowich is an enemy of the Alex Rider series from Brickmotion studios. He appears in 2 of the books, Stormbreaker and Eagle Strike, but he also appears in the second movie when he killed Alex' clone at the Brookland School. He's also planned for a 10th part of the series as Agent Yassen, helping Alex on his mission. After that, he went to pension.
- Alex Rider - Stormbreaker
- Alex Rider 2 - Point Blanc
- Alex Rider 4 - Eagle Strike
- Alex Rider 9 - Dr. Three's revange
|Alex Rider characters|
|Heroes:||Alex Rider | Alan Blunt | Mrs Jones | Mr Smithers | Mr Crawley|
|Villians:||Harod Sayle | Yassen Gregorowich | Mr Grin|