uuhhhhhh headcanon time with Octo:

Octo has been shot chopped in half stabbed thrower down stairs ran over but hadn’t died due to them being immortal it only hurts for them

Octo is secretly sans

Octo would know what to do in a kidnap or murder situation (you know like Texas chainsaw massacre, terrifier etc) so they would most likely survive

Octo still kinda has feeling for Eva but reminds theirself of what Eva did

Octo has 8 siblings

Octo coughs up tentacles

Octo secretly has ocd they think and likes to stick to routines and everything has to be in the right place

Octo can speak the same language as inklings and octolings

Octo had a crush on art the clown once/hj

Octo finds some of ways people are murdered funny but at the same time jawring

Octo poops once a month

Octo keeps track of how much they cry a year

Last year it was 3

Octo has learned every dance routine in splatoon history

Octo is the type of person to dab even though it’s 2023

Octo hates people who are homophobic and believe in white supremacy (which is actually true)

Octo is very loyal in relationships they still friendly flirt with friends and mess around but that’s they draw the line at being sexual with a friend since it makes them feel bad for the person they are with in the first place so they are strictly loyal