Yes, we can customize this medallion for you with a Jesus face instead of Medusa face. Custom pendant will take 1-2 weeks to make. Yes, bail will fit a 4mm rope chain. If you would like to proceed with customizing the pendant please add it to your shopping cart and proceed to checkout, make a note in Additional Instructions field that you would like this pendant with Jesus face instead, bail must fit 4mm rope chain and you are ok with 2 weeks manufacturing time. Or if you prefer we can create a custom order and email it to you.