You didn’t have any medals on your account before the v.127 update, so your name will appear in v.129
This is all automatically generated.
Your name appears on the 17th line of “ideas”
Very low (around this time it’s zero, because I don’t have time for them). These types of customizations are high-effort but low-payoff. Unofficially, some of things you mention you can do with mods.