Most famous couple of Itv era

If I ask you one question-

Most famous couple of itv-

Your first thought.

If ask you next question-

Most famous couple of Rishtaverse-

Also included spin offs.

This is not a challenge of which is your favourite couple,there is already a poll for that question,this question means which couple is most popular worldwide till it's introduction to till now,and sone couple in rishtaverse may cone or go and anyone can't give them bhaw,but some nade legacy.

Kuch paida hi legacy banane ke liye hote hai,and which is that worldwide famous couple from its introduction to now.