Jeeves

"How's the tea, young sir?" "Exceptional, my dear Jeeves, exceptional."

Source: tatoeba (3980007)

"Jeeves! Bring me my good tie." "The one with blue and black dots, sir?" "No, it's the one dotted white and gold."

Source: tatoeba (3980015)

"Jeeves, my good man, I do believe something is amiss." "What do you mean, sir?" "You are driving on the left side of the road." "Astute observation, sir." "Well, we're in Germany!"

Source: tatoeba (3980027)

“Do you never overlook anything, Bunter?” ”I endeavour to give satisfaction, my lord.” ”Well, then, don’t talk like Jeeves. It irritates me. …”

Source: wiktionary