Levi's hiding behind wall in base in toilets and you're talking with Eren and Jean in hallway.

Eren: Your name and surname Is interesting...

Jean: Yes, I heard something about people with this surname. One person with this surname killed 10 Titans in 3 seconds... Levi's hiding and listening everything.

Capitan Levi: Just 3 seconds? He whispered to himself.

Eren: Yes and when you realize that Capitan Levi can kill only one titan in 3 seconds... Tell us your surname again...