He is an expert boxer who can pack a mighty punch.
So it is little wonder Royal Mail has enlisted Commonwealth champion Michael Conlan to help hit home its Christmas message.
Conlan, 23, who won gold at the Glasgow games earlier this year, joined postal workers at the Northern Ireland mail centre to launch the festive campaign encouraging people to post early.
He said: "I know the lengths everyone everywhere in Royal Mail go to during the festive season to ensure that gifts and cards are delivered on time at Christmas.
"So please help Royal Mail at its busiest time by posting your cards and gifts early, enabling it to spread the workload."
Putting postcodes on cards and parcels will help speed the sorting process, Royal Mail has said.
Michael Kennedy, the company's director of operations in Northern Ireland, said: "Christmas is the busiest time of year for Royal Mail and our customers.
"As we do every year, we encourage people to post and order presents early to help us spread the workload in the run up to Christmas. The postcode is never more important than at this time of year and we would encourage everyone to use it on their cards and parcels."
The latest recommended posting dates to ensure delivery by Christmas are:
:: Second class - Thursday, December 18.
:: First class - Saturday, December 20.
:: Special delivery - Tuesday, December 23.
The latest recommended posting dates for Christmas delivery via Airmail are:
:: Airmail to Asia, Far East (including Japan), New Zealand: Wednesday, December 3.
:: Airmail to Australia: Thursday, December 4.
:: Airmail to South and Central America, Caribbean, Africa, Middle East: Friday, December 5.
:: Airmail to Cyprus, Eastern Europe, Greece: Monday, December 8.
:: Airmail to Canada and Poland: Tuesday, December 9.
:: Airmail to USA, international standard to static BFPOs (British Forces Post Offices): Friday, December 12.
:: Airmail to Western Europe (excluding Greece, Poland): Saturday, December 13.