CJ/Relationships

Edison
Edison was depicted as CJ's closest friend and partner from JumpStart 2nd Grade to the Advanced series. The two of them went on many adventures together. Their personalities were somewhat contrasting, CJ being the daring optimist of the duo, and Edison being more skeptical and cautious. This contrast was especially apparent in earlier media, and less so in Edison's later appearances where he would be more enthusiastic about adventuring.

Frankie
Frankie is depicted as a friend of CJ in various JumpStart media.

Hopsalot
Hopsalot is depicted as a friend of CJ in various JumpStart media.

Kisha
Kisha is depicted as a friend of CJ in various JumpStart media. A promotional profile for Kisha pertaining to the JumpStart 3D Virtual World series described CJ and Kisha as best friends.

Eleanor
Eleanor is depicted as a friend of CJ in various JumpStart media.

Pierre
Pierre is depicted as a friend of CJ in various JumpStart media.

Dr. Listick/Dr. O
Dr. Listick/Dr. O is apparently a long-standing adversary of CJ. In JumpStart Reading for Second Graders, CJ calls refers to him as his arch-nemesis. Dr. Listick/Dr. O is prone to committing malicious acts against CJ, such as trying to kidnap his butler and hold him for ransom (in Reading for Second Graders) or trying to make CJ's house sink into his swamp (in Advanced 2nd Grade).

Ratso
Ratso is CJ's adversary in the game JumpStart Math for Second Graders and in the book JumpStart 2nd Grade Math Workshop.