IMO, rock n roll is different things to different people.
If its classic swing-type rock n roll where the audience boogies, then RJ is the Chuck Berry of the Philippines. He does the most authentic rendition of Johnny B Goode. This kind of music will just look off/pilit if other people performed it.
If rock n roll is about being a rebel, personifying a lifestyle, and performing songs more Filipinos can identify with, then Pepe Smith hands down.
Demographics and preferences. Its obvious which of these guys this forum, especially this sub form, will prefer.
But at the end of the day, everyone can get along: