Original: His full name is given as Alexei Fyodorovich Karamazov and he is also referred to as Alyosha, Alyoshka, Alyoshenka, Alyoshechka, Alexeichik, Lyosha, and Lyoshenka.
Simplified: He is also called Alyosha, Alyoshka, Alyoshenka, Alyoshechka, Alexeichik, Lyosha, and Lyoshenka.