Jonas Jeriaska (AKA J.J) is a character in the video game Front Mision on Super Famicom/ PlayStation One/ Nintendo DS. He is a member of the mercenary group, Canyon Crows .
Not much is known from his past, except he has from Jamaican blood. He became a mercenary to help his family. Jonas met his partner, Keith Carabell , long before both of them jointed Canyon Crows.
Jonas is family-man. He is wise, calm and care for his partner, but sometime can be adventurous. He is the perfect match with his comrade and best friend, the hot-headded and brash Keith.