This is a really great sketch collection. Sockem boppers were an important part of my childhood. It's been a really long time since I've seen/heard anyone mention them, so... good memories. I'm pretty sure they had some ridiculous commercials for them in the 90s that made me want to have them to use with siblings and cousins.
Why can't I hold all this dog... I think that's a reference to the "hold all this evidence" meme, but I'm not sure. Whenever I see all the shading and color detail of your "sketch dump" pieces, it just goes to show the high standards you have for a finished full art piece.
Also, the sandcastle dog and dog in the breeze characters look interesting. It's amazing this is even titled a "sketch dump" when many of these are good stand alone drawings.