![Alex Hirsch on X: "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 X: "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 X: "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 X: "That one time me & my sister were demonically possessed #ThrowbackThursday http://t.co/cArj9uzRne" / X Alex Hirsch on X: "That one time me & my sister were demonically possessed #ThrowbackThursday http://t.co/cArj9uzRne" / X](https://pbs.twimg.com/media/CQ0MDP6UYAAloaX.jpg)
Alex Hirsch on X: "That one time me & my sister were demonically possessed #ThrowbackThursday http://t.co/cArj9uzRne" / X
Gravity Falls - Fun Fact! This Alex Hirsch sister's ACTUAL sweater from grade school that inspired all of Mabel's sweaters! It still fits! | Facebook
![Alex Hirsch on X: "A historic moment! @kristenschaaled finally meets my twin sister, Mabel inspiration @_merp_derp_! #WhenMabelsCollide http://t.co/cXdhFdLLoP" / X Alex Hirsch on X: "A historic moment! @kristenschaaled finally meets my twin sister, Mabel inspiration @_merp_derp_! #WhenMabelsCollide http://t.co/cXdhFdLLoP" / X](https://pbs.twimg.com/media/BtmCz4JCYAMoymE.jpg)
Alex Hirsch on X: "A historic moment! @kristenschaaled finally meets my twin sister, Mabel inspiration @_merp_derp_! #WhenMabelsCollide http://t.co/cXdhFdLLoP" / X
![Alex Hirsch on X: "Me & the twin sister fail at ice skating #ThrowBackThursday #NeonForever http://t.co/JKMMuQEZ1c" / X Alex Hirsch on X: "Me & the twin sister fail at ice skating #ThrowBackThursday #NeonForever http://t.co/JKMMuQEZ1c" / X](https://pbs.twimg.com/media/Bx2VjpSCEAIaqPH.jpg)