Agent 8 was originally an Octoling soldier, but had a change of heart when Calamari Inkantation was playing during the fight between Agent 3 and DJ Octavio.

Agent 8 usually talks, but while they are silent, they do the best they can to regain the memories they have lost, and show notable acts of heroism, such as saving Inkopolis from total destruction by Commander Tartar..

You were in Inkopolis, you accidentally bump into her.

”Oh, sorry! I didn’t see you there!”