Going by DaveyGamersLocker's comment It's Squeak Squad/Mouse Attack Kirby. It seems to be specifically a reference to the minigame Smash ride, so I'm adding the tag.
When I saw this for the first time, I thought Khyle was just being himself; I was partially right, but it seems like Your mother hung herself is a meme, and yes, it implies Carnage, thus the profile picture of the troll in this comic. The context is a little long, but you can read it here if you're interested.
i let the site automatically name the artist based in the pixiv url, no idea if this is the proper naming convention or not, the katakana reads dogē
We try to use the artist's actual name or handle whenever possible. The stacc name or username from another account will typically be included as a qualifier to keep it from being ambiguous. The artist tag for this post was just changed, so you can refer to it as an example.
You can read more about how to create new Pixiv artist tags in howto:pixiv.
Hakodate <-> Sapporo will be the worst part, even by express train that takes hours, and the planned Shinkansen is delayed. Going to Asahikawa is worth it just to see the penguins...
I'm not 100% sure, but this looks a lot like a black-legged parrot, but the claw colors don't match
Based on the white ring on the eyes and the telltale down-facing cream colored beak, it's a lovebird. The ones with these particular coloration are aptly named mango lovebirds