. ▁[ 2 0 ] ▁ ▁See ▁also ▁Hel ical ▁cam sh aft ▁Mult ia ir ▁ ▁References ▁ ▁External ▁links ▁▁▁▁▁▁▁▁▁▁▁▁▁ ▁Category : Engine ▁val ves ▁Category : Engine ▁val vet rain ▁configurations <0x0A> </s> ▁The ▁O at me al ▁is ▁a ▁web com ic ▁and ▁humor ▁website ▁created ▁in ▁ 2 0 0 9 ▁by ▁cart oon ist ▁Matthew ▁Bo yd ▁In man ▁( born ▁September ▁ 2 4 , ▁ 1 9 8 2 , ▁and ▁himself ▁sometimes ▁referred ▁to ▁as ▁the ▁O at me al ). ▁In man , ▁who ▁lives ▁in ▁Seattle , ▁updates ▁his ▁site ▁with ▁original ▁com ics , ▁qu izz es , ▁and ▁occas ional ▁articles . ▁The ▁O at me al ▁has ▁also ▁made ▁the ▁transition ▁to ▁a ▁series ▁of ▁books , ▁featuring ▁content ▁from ▁the ▁web com ic ▁as ▁well ▁as ▁previously ▁un pub lished ▁material . ▁ ▁In ▁ 2 0 1 0 , ▁The O at me al . com ▁received ▁more ▁than ▁four ▁million ▁unique ▁visitors ▁per ▁month . ▁, ▁The ▁O at me al ' s ▁annual ▁re venue ▁was ▁around ▁US $ 5 0 0 , 0 0 0 ; ▁three - quarters ▁of ▁that ▁was ▁from ▁mer ch and ising ▁and ▁the ▁rest ▁was ▁from ▁advert ising . ▁ ▁Website ▁▁ ▁The ▁information ▁found ▁in ▁The ▁O at me al ' s ▁com ics ▁is ▁research ed ▁by ▁In man . ▁One ▁com ic ▁typically ▁takes ▁In man ▁seven ▁to ▁eight ▁working ▁hours ▁spread ▁across ▁three ▁days