I need a name for the protagonist

Writers' Corner
1

Do you prefer Ottiline or Ottilie, to be friends with someone called Clem?

2

Is [name_u]Clem[/name_u] short for [name_f]Clementine[/name_f]/Clemetina? If so, than I think [name_f]Ottilie[/name_f] is the best option.