Ralph is elected chief during the very first meeting, which happens very early in the book.
Who suggest Ralph & Piggy should go to the party in Chap.9
Ralph
Jack challenged Ralph to go up the mountain to look for the beast with him in the dark. Ralph responds by accepting the challenge and bringing Roger along with him.
chief
Ralph McDaniels goes by Uncle Ralph.
Ralph Jeanty goes by Ralph "Vintage" Jeanty.
Ralph Farris goes by Ralph Equality Farris.
Ralph Houk went by The Major.
Ralph feels that it is his duty as chief to cross the causeway to castle rock alone, so that if the beast is there only one boy, himself, will be at risk.
Ralph Branca goes by Hawk.
Ralph Kretschmar goes by Ralphy.
Ralph Amoussou goes by Nicky.
Ralph Dawson went by Pappy.
Ralph Rieckermann goes by Scorpions.
Aubrey Ralph goes by Obka.
Ralph Ganis goes by West.