Findings:

• Billy Bo Bob (user)
• Billy Crystal
• Billy Joel
• Billy Bragg
• Biker Billy
• Billy Breathes
• Billy Cobham
• Billy Idol
• Billy Madison
• Billy Blaze
• Billy Bulger
• Billy the Kid
• Billy Childish
• Billy Blanks
• Billy Corgan
• Billy Roberts
• Bonnie Prince Billy
• Billy Graham
• Billy Flynn
• billy
• Billy goat
• Billy Connolly
• Billy Kluver
• Billy Shears
• Billy Bob Thornton
• Billy Wilder
• Billy Stewart
• The Billy Nayer Show
• Billy goats
• Billy Bishop
• Billy Tipton
• Billy Jack
• One Tin Soldier
• Billy Dee Williams
• Billy Paul
• Billy Taylor
• Big Mouth Billy Bass
• Billy Pilgrim
• Billy Doyle
• Billy Wright
• Billy Liar
• The Billy Bee Song
• Billy Carter
• Ode to Billy Carter
• Billy Barty
• Billy Ray Cyrus
• billy is dead
• Billy Budd
• Billy Bathgate
• The Billy Goats Gruff
• Billy's Balloon
• Billy (user)
• billy wiz (user)
• billy bitter (user)
• Billy Elliot
• Billy Ocean
• Sport Billy
• Billy Collins
• Billy Duffy
• Billy West
• Billy Martin
• The Devil and Billy Markham
• Billy Gunn
• Billy Garner
• Billy Beer
• Billy Ripken
• Billy Squier
• Billy Boyd
• Boomerang Billy's Beach Bar
• Billy and Chuck
• Billy, Don't Be a Hero
• billy b (user)
• Billy Hamilton
• Billy Cranston
• Billy Preston
• dead billy (user)
• Billy Zane
• Billy's Hollywood Screen Kiss
• Billy Bishop Goes to War
• Billy Bunter's Postal Order
• Billy Smith
• Dino, Desi And Billy
• Billy Mitchell
• Billy Butlin
• Billy Fury
• billy delines (user)
• Billy Name
• Billy Strayhorn
• Billy Kay
• Billy in the Darbies
• Billy Budd and Biblical allusions
• Billy Kidman
• Puffing Billy
• The Billy Barty Funeral Party (document)
• Billy Mays
• Billy Blastoff
• Billy Talent
• King Billy
• Billy and Girl
• Rasta Billy Skank
• chilly billy
• billy ruben
• Billy Beane
• The Billy Goat Trail - a small and Intimate hike outside of Washington, D.C.
• Billy Fiske
• Billy Bean
• Billy Watson and the International Silver String Submarine Band
• Billy Sputnik (user)
• Billy Meier
• Billy Sunday
• Billy Cox
• Bronco Billy
• Billy James Hargis
• billy 09 (user)
• pimp as billy hoffer (user)
• Billy Williams
• Billy's Porch
• Billy Dee
• billy's hand (user)
• billy lids
• The South (as played by Billy Hodge) Rises Again
• billy joe johnson (user)
• Billy Childs
• billys (user)
• Billy Vaughan
• billy bearmeat (user)
• Master Billy Quizboy
• billy goat (user)
• Billy Johnson
• Billy Joe Thomas
• Billy Eckstine
• billy the kid (user)
• Pat Garrett and Billy the Kid
• the dao of billy
• Uncle Billy (user)
• Fat Billy Goes To School
• The Ballad of Billy Badass and the Rose of Turkestan
• Billy Barlow
• billy cart
• Tell Me What Happened Billy
• Billy Frank Jr. Nisqually National Wildlife Refuge
• Billy Frank Jr.
• What Happened to You, What'd They Do, Billy Lee
• What Happened to You, What'd They Do, Billy Lee (for Cormac McCarthy)
• rainbow
• rainbows
• Rainbow Brite
• Rainbow Gathering
• Rainbow Family
• rainbow flag
• Gravity's Rainbow
• Reading Rainbow
• Rainbowed
• The Rainbow Fish
• rainbow sherbet
• The Rainbows
• rainbow series
• The Rainbow Connection
• Night on the rainbow
• The Rainbow Cadenza
• rainbow trout
• rainbow serpent
• Over the Rainbow
• lenticular spit rainbow on the CRT
• Rainbow Media Holdings
• Somewhere Under the Rainbow
• rainbow Jell-O
• road spray rainbows

If you Log in you could create a "Rainbow Billy" node. If you don't already have an account, you can register here.