I want Sans to be a reflection of both his general character and boss fight in Undertale. It's important to mention this up front since that's the principle I have in mind when designing everything else I'm gonna talk about.
- Sans is a VERY lightweight character, and his mobility isn't that great. However, his dodges are pretty quick and don't have him waiting through too much end lag. Heck, he even has a special move which automatically dodges incoming attacks if you can't be bothered to time it yourself (although misuse of this move will cause Sans to fall asleep for a few seconds, meaning that being careless puts Sans in a pretty bad spot).
- Sans' basic attacks don't have much kill power. His strongs and directional aerials involve him throwing out bones which don't deal knockback, but deal 1% every few frames that they're touching an opponent, just like his attacks in UNDERTALE.
- As for his weaker grounded attacks, they're all more comical things, such as sticking out his leg to trip the opponent and using a whoopie cushion. However, these do have knockback (even if it isn't very strong).
- Sans' grab game is perhaps where he shines the most. His grab range isn't that great, but his throws are powerful, being able to kill fairly early if near a blast zone.
- However, Sans' most potent kill move is the Gaster Blaster, his Neutral Special. I'm gonna get into subbullets here, because there's a lot to talk about.
- Sans' Gaster Blaster always homes in on the nearest opponent, appearing where he summoned it and charging up for a few seconds. If Sans or the Gaster Blaster is hit by anything, the Gaster Blaster despawns.
- However, should the Gaster Blaster go off... Hoo boy. It's a pretty long-range attack, deals multiple hits of damage, and has really good launch power.
- Basically, it's Sans' greatest kill move which isn't a throw, but it can be evaded easily or flatout nullifed.
- Two of Sans' other specials help with this.
- Blue Bones has Sans fire a blue bone on each side of him. Unlike his regular bones, these do deal knockback, making them prime tools for knocking opponents into Gaster Blaster lasers.
- Blue Soul allows Sans to nerf his opponents' mobility, making it harder for them to dodge lasers. It also makes it easier for Sans to catch up to opponents in order to grab them.
In summary, Sans is a glass cannon; He's easy to launch, but his attacks are great at racking up damage, and even if he struggles to get KO openings, once he gets them, they're fairly easy to execute.
So yeah, what do people think of this? Anything I should tweak/add/reconsider/etc.?