Examples of LastNameBasis in {{Webcomics}}.
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* Parley from ''Webcomic/GunnerkriggCourt'' is called by her last name, because everyone's too nice to call her [[TomboyishName George]].
* Johnathan Gabriel from ''Webcomic/PennyArcade'' usually goes by "Gabe."
* Most of the pilots in ''Webcomic/{{Angels2200}}'' are referred to by their callsign or last name.
** Nicknames instead of first or last names are pretty common among enlisted troops of all services, especially to enforce a OneSteveLimit if there's more than one soldier of the same last name and rank.
* Nolan from ''Webcomic/RegularGuy''.
* The title character of ''Webcomic/ItsWalky'' goes by Walkerton. He doesn't actually LIKE his nickname Walky (At best he tolerates it, there are only a few characters he actually doesn't mind calling him that). Almost no one calls him "David".
** Bonus points because even ''his parents'' call him Walky.
* All of the government-employed characters in ''Doomsday, My Dear'' refer to each other by last name: Zahra, Bowden, Young, et cetera. A few characters refer to Khepry and Chet by their first names, but no one uses Cyril's.
* ''Webcomic/BittersweetCandyBowl'' has Alec [=McCain=], who is only referred to by his first name by Sue.
* Jardren Stiggs from ''Webcomic/ProphecyOfTheCircle'' prefers being called by his last name, even by friends.
* 25th Baam from ''Webcomic/TowerOfGod'' calls his best friend, Koon Agero Agnis, simply Mr. Koon.
* [[GravityMaster Muneca Powell]] of ''Webcomic/{{Pacificators}}'' is such a ProperLady, she even calls ''her best friend'' [[PlayingWithFire Kathy Lee]] by her last name. The only time Muneca doesn't refer to somebody by their last name is when speaking [[FriendToAllChildren with children]].
** It is implied that this is part of the reason why Muneca [[DefrostingIceQueen warmed up]] so quickly to [[NewMeat Daryl]] [[LightEmUp Smithson]], because Daryl happily complied with this, whereas Muneca's other teammates give her grief over this.
* In ''WebComic/SupernaturalLaw'' by Batton Lash, Alanna Wolff and Jeff Byrd refer to each other by their surnames, though they are clearly both friends and business partners, if not each others' LoveInterest.

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