Robert George Porter OAM (4 June 1941 – 16 December 2021) was an Australian country and pop-rock musician, producer and record label owner. Beginning in 1959, he performed under the stage name Rob E.G. and recorded lap steel guitar instrumentals or covers of country-style vocals. On the local Sydney music charts, he provided four top ten hits including two No. 1 hits with "Si Senor" and "". From 1970, Porter ran an independent record label, Sparmac, and produced three LPs for Daddy Cool.