[Those who hide their names are fun puzzles to Sherlock. There are those - such as Archer of Shinjuku or Caster of the Nightless City - who are obvious at a glance, yet there are a few puzzling cases here and there. The curiosity in his eyes shines brightly. He doesn't bother to keep it out of his voice.]

So I inferred. Not many Servants bypass my notice or Lady da Vinci's fearsome bureaucratic skills.

[How she manages to run a sinking ship and forces it to float is amazing to him.]

I assume I've no need to introduce myself. I am, after all, a household name.