![Alex Hirsch on Twitter: "A lot of folks are saying it's my twin sister @Ariel_Hirsch_ 's birthday today. This is false. It is *my* birthday. Don't listen to my evil twin @Ariel_Hirsch_ ' Alex Hirsch on Twitter: "A lot of folks are saying it's my twin sister @Ariel_Hirsch_ 's birthday today. This is false. It is *my* birthday. Don't listen to my evil twin @Ariel_Hirsch_ '](https://pbs.twimg.com/media/Ea1alWjWAAIvEF_.jpg)
Alex Hirsch on Twitter: "A lot of folks are saying it's my twin sister @Ariel_Hirsch_ 's birthday today. This is false. It is *my* birthday. Don't listen to my evil twin @Ariel_Hirsch_ '
![Alex Hirsch on Twitter: "A historic moment! @kristenschaaled finally meets my twin sister, Mabel inspiration @_merp_derp_! #WhenMabelsCollide http://t.co/cXdhFdLLoP" / Twitter Alex Hirsch on Twitter: "A historic moment! @kristenschaaled finally meets my twin sister, Mabel inspiration @_merp_derp_! #WhenMabelsCollide http://t.co/cXdhFdLLoP" / Twitter](https://pbs.twimg.com/media/BtmCz4JCYAMoymE.jpg)
Alex Hirsch on Twitter: "A historic moment! @kristenschaaled finally meets my twin sister, Mabel inspiration @_merp_derp_! #WhenMabelsCollide http://t.co/cXdhFdLLoP" / Twitter
![Alex Hirsch on Twitter: "Fun Fact! This is my sisters ACTUAL sweater from grade school that inspired all of Mabel's sweaters! It still fits! http://t.co/xNuQYdD0Ab" / Twitter Alex Hirsch on Twitter: "Fun Fact! This is my sisters ACTUAL sweater from grade school that inspired all of Mabel's sweaters! It still fits! http://t.co/xNuQYdD0Ab" / Twitter](https://pbs.twimg.com/media/Btmwl-eCAAE3MlQ.png)
Alex Hirsch on Twitter: "Fun Fact! This is my sisters ACTUAL sweater from grade school that inspired all of Mabel's sweaters! It still fits! http://t.co/xNuQYdD0Ab" / Twitter
Alex Hirsch - Are you in the US? The original Pines Twins here reminding you to #VoteToday! Find your polling place at https://iwillvote.com/locate/ ! | Facebook
![OMG! Alex Hirsch as older Dipper and his sister as Mabel! I swear that the Pines twins are their OCs!! | Gravity falls, Alex hirsch, Dipper and mabel OMG! Alex Hirsch as older Dipper and his sister as Mabel! I swear that the Pines twins are their OCs!! | Gravity falls, Alex hirsch, Dipper and mabel](https://i.pinimg.com/736x/b2/a1/24/b2a1240037ea6137fd9b6e63c59b10e0--mabel-pines-older-older-dipper-and-mabel.jpg)
OMG! Alex Hirsch as older Dipper and his sister as Mabel! I swear that the Pines twins are their OCs!! | Gravity falls, Alex hirsch, Dipper and mabel
![Pin by Marissa <3's FANDOM!!! on Gravity falls fav show <3 | Gravity falls, Dipper and mabel, Cool cartoons Pin by Marissa <3's FANDOM!!! on Gravity falls fav show <3 | Gravity falls, Dipper and mabel, Cool cartoons](https://i.pinimg.com/originals/32/4c/df/324cdf0687ffa6f6296821cdc4ae2870.jpg)
Pin by Marissa <3's FANDOM!!! on Gravity falls fav show <3 | Gravity falls, Dipper and mabel, Cool cartoons
![Alex Hirsch on Twitter: "Happy Birthday to the Mabel to my Dipper, Ariel Hirsch! (Seen here about to beat up the Little Rascals) https://t.co/CfuCq4elgA" / Twitter Alex Hirsch on Twitter: "Happy Birthday to the Mabel to my Dipper, Ariel Hirsch! (Seen here about to beat up the Little Rascals) https://t.co/CfuCq4elgA" / Twitter](https://pbs.twimg.com/media/DCpDmvbV0AAhFmy.jpg)
Alex Hirsch on Twitter: "Happy Birthday to the Mabel to my Dipper, Ariel Hirsch! (Seen here about to beat up the Little Rascals) https://t.co/CfuCq4elgA" / Twitter
![Alex Hirsch on Twitter: "Me & the twin sister fail at ice skating #ThrowBackThursday #NeonForever http://t.co/JKMMuQEZ1c" / Twitter Alex Hirsch on Twitter: "Me & the twin sister fail at ice skating #ThrowBackThursday #NeonForever http://t.co/JKMMuQEZ1c" / Twitter](https://pbs.twimg.com/media/Bx2VjpSCEAIaqPH.jpg)
Alex Hirsch on Twitter: "Me & the twin sister fail at ice skating #ThrowBackThursday #NeonForever http://t.co/JKMMuQEZ1c" / Twitter
![TODAY IS ALEX HIRSCH'S BIRTHDAY!!! HE'S THE CREATOR OF THE ANIMATED TV SHOW GRAVITY FALLS!!!! IT'S HIS TWIN SIS… | Gravity falls, Gravity falls bill cipher, Cartoon TODAY IS ALEX HIRSCH'S BIRTHDAY!!! HE'S THE CREATOR OF THE ANIMATED TV SHOW GRAVITY FALLS!!!! IT'S HIS TWIN SIS… | Gravity falls, Gravity falls bill cipher, Cartoon](https://i.pinimg.com/originals/b8/21/cc/b821cc5ed415ce7aa9c6ef36058fabf8.jpg)