Who are the characters of baka and test summon the beast?

"Baka and Test: Summon the Beasts" features several key characters, including Akihisa Yoshii, the main protagonist known for his lack of academic ability but a strong sense of friendship. Other notable characters include Yūji Sakamoto, a smart but lazy student; Mizuki Himejima, a kind and supportive class representative; and Shoko Kirishima, a confident and competitive girl. The series revolves around these characters as they engage in battles using summoned avatars in a unique school setting.