I imagine not seeing as the only two things they really have in common is the dual identity thing. Concepts just happen to resurface from time to time. That's how we establish Tropes.
Chat with our AI personalities
There are many different characters on Jem and the Holograms. Some of the voice actors are Samantha Newark as Jem, Cathianne Blore as both Kimber Benton and Aja Leith, Cindi McGee as Shana Elmsford and Linda Dangcil as Carmen "Raya" Alonso.
No.
When Silas finds that his money is gone and he has been robbed he thinks of the list of the neighbours who could steal his money. From the list comes Jem Rodney, a known poacher who had often met Silas in the fields and said something jestingly about the weaver's (Silas's) money. Also Jem often had gone to Silas's cottage than anyone else.
Jem sure is surround by a lot of guys with major Gay face. The BBC officially stated he is married. As Gay marriage is illegal in the UK, they are lying or he is actually married to a women. But in any event, he wants the world to think he is a married heterosexual male, so..... BBC Science would never hire a Gay presenter, particularly for a kids science show like Bang Goes the Theory.
Boo Radley tries to sew up Jem's pants and he gives Scout a blanket during the fire at Miss Maudie's house.