- Olaf is voiced by Jesse Conde in LATAM, who also voices
Shaco y 
Trundle and by Vicente Gil in EUW, who also doubles to 
Yorick
- Olaf is one of 22 champions without a single Ability Power ratio on any skill:
aatrox, 
Akshan, 
Camille, 
Darius, 
Dr. World, 
trot, 
We are, 
Kalista, 
kayn, 
Kindred, 
Kled, 
Olaf, 
Pyke, 
Riven, 
Samira, 
Set, 
Talon, 
Urgot, 
Vayne, 
Xayah, 
But, 
Zed.
- Olaf the Berserker could be referencing Clerks.
- Olaf's dance references Technoviking.
- You can see a side-by-side comparison here.
Ragnarok is named after the eponymous events of Norse mythology.
- The symbol shown on its icon is 力 (from Chinese, borrowed to Japanese, Vietnamese, Korean: power) while crowd control removal refers to the Poetic Edda.
- During development it was simply called "Enrage Barbarian".
- Olaf's name derives from Old Western Norse ᚬᛚᛅᚠᛦ Óláfʀ, [1] from Archaic Norse * Anulaibaʀ; which means "eam lave", "inheritance of ancestors"; cognate to Old English Ǣlāf ~ Anlāf.
- Many Vikings, Norse Welsh, and Varangians bore this name and its derivatives.
- Its title means "bear-sark", referring to the garment worn by the Nordic berserkers.
- Since his rewriting, Olaf fears his prophesied death in peace and darkness and instead yearns for an unforgettable and glorious death in combat, inspired by the common Indo-European literary motif "Undying Glory." [2]
- Similarly,
Pantheon challenges his opponent (s) in an epic battle.
- In patch V1.0.0.115 Fool's Day, he jokingly appeared to receive a skin called "Urlaf", Referring to
Urf.
Olaf
- "Will to kill, increasing!" reference to Homer Simpson.
Brolaf
- "Joke!" reference to ¡Demacia!
- "I came here to kick ass and drink Graggy! Looks like I've run out of Graggy" reference to They Live ("I've come here to chew gum and kick ass ... and I've run out of gum").
- You can see a side-by-side comparison here.
- "You can't arrest me, my dad owns a dealership!" reference to Aqua Teen Hunger Force.
- "Hi buddy, I'm a big problem" could be referring to Anchorman: The Legend of Ron Burgundy.
- "Beat City. Town: you" reference to Deadpool from Marvel Comics ("Welcome to the land of losers. Town: you!", Which uses the Italian localization).
Olaf
- The ship in the background resembles and references a GRakkar.
Olaf Glacial
- This skin shares the Glacial theme with:
Ezreal Cold
Cold Shen
Nocturne Cold Terror
Malphite Glacial
Shyvana Ice Dragon
- It refers to Jötunn from Norse mythology.
Olaf Abandoned
- He also shares the theme 'Abandoned' with:
Jayce Abandoned
Brolaf
Chromas: Aquamarine, Citrine, Granite, Obsidian, Rose Quartz, Sapphire, Tanzanite, Turquoise
- Their Chromas have a different design and logo on the back or front of their shirt:
- Have the
Emblem of the Winter Claw in its aquamarine chroma.
- Has a face of
Teemo in its Turquoise, Tanzanite, Granite and Citrine chroma.
- The letter U It's on the back of your Citrine chroma.
- On the back of its Turquoise chroma, it has the
Trinity Force.
- Has the number 8 on the front and back of your Rose Quartz chroma.
- It has the Braum Bodybuilders logo on the back and a
Braum Poro in front of your Sapphire chroma.
- He becomes a referee on his Obsidian chroma.
- Refers to Beerbarian.
- Baby
Graggy Ice which in turn refers to Natural Ice.
'Sivir Jeans' can be seen sewn on the back of his pants while Teemo can be seen on his shirt.
Olaf Pentakill
- This skin shares the Pentakill theme with:
Viego Dissonance by Pentakill
Karthus Pentakill
Kayle Pentakill
Mordekaiser Pentakill
Sona Pentakill
Yorick Pentakill
Karthus Pentakill III: Lost Chapter
Kayle Pentakill III: Lost Chapter
Mordekaiser Pentakill III: Lost Chapter
Olaf Pentakill III: Lost Chapter
Sona Pentakill III: Lost Chapter
Yorick Pentakill III: Lost Chapter
- The player base decided that he would become the drummer for Pentakill instead of
Trundle.
Mordekaiser embarked on a journey to recruit 
Karthus, 
yorick, 
Sona and Olaf to form Pentakill so that 
Punish and 
Burn all of Runeterra with their music. [3]- He references Vinnie Paul, he has angry abs, and his drumsticks resemble the Splatterhouse Mask of Terror.
Marine Current produces a battery hit when hitting an enemy and 
Lance Daredevil briefly shows the old Pentakill band logo.
Olaf Merodeador
- This skin shares the Marauders Versus Protectors theme with:
Marauder Enlist
Ashe Merodeadora
Callista Merodeadora
Marauder Kled
Warwick Merodeador
Xin Zhao Merodeador
Gragas Protector
Jax Protector
Protective Karma
Nautilus Protector
Protective Quinn
Sivir Protector
- This is the first time he has used two different weapons.
- It could be referencing the
side of Summoner's Rift Sorcerer Lords.
- He and Marauder Alistar are fighting Jax Protector and Protective Karma.
Olaf Butcher
- This skin shares the Culinary Masters theme with:
Pantheon Baker
Barbecue lioness
Kikiri Gallio
Tahm Kench Master Chef
Pizzivir
Akali Sashimi
morgana succulence sinful
- Tahm Kench Master Chef can be seen in the background.
Olaf SKT T1
- This skin shares the World Champions: SKT T1 theme with:
Alistar SKT T1
Azir SKT T1
Echo SKT T1
Elise SKT T1
Jax SKT T1
Jhin SKT T1
Kalista SKT T1
Lee Sin SKT T1
Nami SKT T1
Renekton SKT T1
Ryze SKT T1
Syndra SKT T1
Vayne SKT T1
Zac SKT T1
Zed SKT T1
Office SKT T1
- He was released in celebration of SKT T1's victory in the Season 6 World Championship along with:
- Echo SKT T1
- Jhin SKT T1
- Nami SKT T1
- Syndra SKT T1
- Zac SKT T1
centinela SKT T1 kkOma
- It represents Bengi and is the third World Championship win aspect for him.
- It was preceded by Elise SKT T1.
- It was preceded even earlier by Lee Sin SKT T1.
- The idea of animation
Recovery was thought by Bengi himself and shows his signature.
- You can see a side-by-side comparison here.
Olaf Matadragones
Chromas: Amethyst, Citrine, Emerald, Meteorite, Obsidian, Pearl, Ruby, Sapphire
- This skin shares the Dragon World theme with:
Draconic Guardian Galio
Mordekaiser Dragon Knight
Dragon Master Swain
Udyr Oracle Dragon
Dragon Sorceress Zyra
Heimerdinger Dragon Trainer
Dragon Trainer Lulu
Dragon Trainer Tristana
Braum Matadragones
Diana Dragon Slayer
Jarvan IV Matadragones
Kayle Matadragones
Pantheon Matadragones
Trundle Matadragones
Twitch Matadragones
Vayne Matadragones
Xin Zhao Matadragones
Olaf Sentinel
Chromas: Catseye, Emerald, Pearl, Resolute, Rose Quartz, Ruby, Sapphire, Tanzanite, Turquoise
- This skin shares the Saga of the Ruined King theme with:
Pantheon Ascended Prestigious Edition
Ruined Draven
Ruined Karma
Miss Fortune Arruinada
Ruined Pantheon
Ruined Shyvana
Diana Sentinel
Sentinel Graves
Irelia Centinela
Pyke Centinela
Rengar Sentinel
Riven Centinela
Vayne Sentinel
Thresh Unleashed
- This is Olaf's first skin to lack a helmet, which is otherwise a recurring feature among his skins.
- Riven Centinela e Irelia Sentinel can be seen in the background of her illustration.
- In his illustration, Olaf is shown inverted to how he should actually look, with the eye patch on the wrong side of his head.
- Olaf accepted the offer of
Sejuani to join The Winter Claw to find the glorious death he longs for.
- He met
Lucian and 
Miss Fortune during the events of La Sombra and La Fortuna where they fought the undead of the Black Mist.
- ↑ runestone in Sweden containing ᚬᛚᛅᚠᛦ Óláfʀ
- ^ Lehmann, WP "Theoretical bases of Indo-European linguistics", p. 267
- ↑ Pentakill - Smite and Ignite
