In 2007, Roger Federer became the first living Swiss person to be featured on a Swiss stamp. The postage picture features Roger holding the Wimbledon trophy.

In 2007, Roger Federer became the first living Swiss person to be featured on a Swiss stamp. The postage picture features Roger holding the Wimbledon trophy.

It is the same Federer who went on to win the most number of Wimbledon titles in men's tennis.
2. Lleyton Hewitt once had a lead in the head to head rivalry with Federer (7–2).
From 2004 to 10 Federer didn't lose a single match against Hewitt for 6 years and had a 15 match consecutive winning streak.
3. Federer holds the record for most consecutive finals at a single Slam (7) achieved at Wimbledon (2003–09) .
4. Federer and Nadal are the only players in men's tennis to have contested a hat-trick of French and Wimbledon finals(2006–08).
5. Swissmint has honoured Federer with a 20 franc Swiss coin. This is the first time such a thing happened for any living Switzerland citizen.
6. Roger Federer has twin daughters and twin sons . Less than 1% in this entire world will have both twin sons and twin daughters.
7. Federer is the only player to have made all the 4 finals of slams in an year more than once. He did it 3 times in his career.
8. Federer and Nadal are the only two players in the open era who have made atleast 5 finals in each of the 4 slams.
9. Federer and Nadal hold the record for the most finals made at a single Slam (12).
10. Federer and Djokovic are the only 2 players in the open era to win 3 slams in an year more than once. He did it 3 times (04,06 and 07). Djokovic achieved it twice.
Edit :
There is one more thing that I would like to add to this answer. Roger Federer has a look-alike called Arbaaz Khan who is an Indian actor. Below is a picture of both of them.
Rafael Nadal once said about Federer “ If someone thinks that i play better than Federer , he doesn’t know anything about tennis.”
Federer facts :

5. Federer and his wife Mirka competed together just once, playing in the Hopman Cup, held in Perth, Australia.
6. Roger Federer holds the record for the most consecutive points won on serve:
35 against Feliciano Lopez in the US Open 2007 4th round.
7. Roger Federer also hold 2 of 3 longest match record. Longest singles final match by time played. “in 2008, 4 hours and 48 minutes, vs Rafael Nadal.”
Longest singles final match by number of games. “in 2009, 77 games against Andy Roddick. This match also had the longest final set in a Grand Slam final by games.”