This The Last of Us 2 Walkthrough for Chapter 6: Seattle Day 1 – Winter explains how to unlock a hidden trophy, Put My Name Up. There are 0 collectibles here.
Enter the aquarium. Feel free to explore the area. Interact with objects for more dialogue/narrative.
Trophy – Put My Name Up (Hidden Trophy)
Interact with the toy bow by the chalkboard to try and get your name on the scoreboard. Hit at least 10 to unlock the Put My Name Up Trophy.
Follow Owen upstairs and a cutscene will play, leading into the next section: Seattle Day 1 – The Forest.
Source: IGN.com The Last of Us 2 Walkthrough Chapter 6: Seattle Day 1 – Winter Visit