(There is an anime which I can similarly compare characters with untertale. Let's see if you guys can guess it .3. Credit goes to the creators of the anime and Toby fox.)

Sans- WOAH, I CAN DO SH*T. *CLAPS HANDS TOGETHER, SPAWNS A BUILDING*

Papyrus- brother, I don't think that is safe.

Sans- Trust me, bro. It's stable.

Alphys- YO, STOP MESSING WITH YOUR FLIPPING METAL ARM, YA DINGUS.

Sans- WELL SORRY.

Random Monster- Is that the full bony summoner??? *fangirl over papyrus*

Papyrus- no, it's my brother.

Random Monster-...but he's so sho-

Sans- *EYE FLARES* What was that, FISH?

Random Monster-...*Slowly backs away*

Sans- WELP, IMMA GO DO STUFF AND STUFF.

6 human souls- Nah, we stop you. Btw, we were ded but now alive. We r da homunculi.

Sans- SH*T.

~

Frisk- I am da leader. Roar.

Undyne- Yeah yeah, whatever.

Sans- HEY U. U SUK.

Undyne- *snaps fingers*

Sans- *ON fire* FUK.

Undyne- -_-

~

Undyne- and why r u in this organization?

Papyrus- We're looking for our father...he was a famous summoner.

Undyne- Oh. Interesting.

Sans- SH*T, PAPYRUS, SHE LITERALLY LIT ME ON FIRE.

Undyne- shush. *snaps fingers*

Sans- *ON fire* FUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU

~

Frisk- Heheheheh. I'm secretly the bad guy.

Sans- *walks over to undyne*

Frisk- and-...?

Sans- Undyne.

Sans- Can you please pick up that phone over there?

Sans- BECAUSE I F*CKING CALLED IT.

Undyne- *kicks sans* Shut up, you nerd.

~

Sans- BRO BRO BRO.

Papyrus- What.

Sans- You SUK at summoning.

Papyrus- Shut up T-T

Sans- But you aren't even drawing the circle righ-

Papyrus- ICANHAVEMYOWNTASTESINCIRCLESOKAY??? ;-; *continues to draw doodles*

~

Mettaton- Somehow I'm relevant. Look at me. *FLEXES INTENSIFIES*

Sans-...

Sans- wtlf. =_=

Mettaton- *poses* Don't worry, baby face. I'll save you.

Sans- Yeah, no. *leaves*

~

Alphys- for the last time...

Alphys- STOP BREAKING YOUR F*CKING ARM!

Sans- WELL SH*T, I'M SORRY FOR DOING MY JOB AND THEN SOME PPL COME IN AND JUST WRECK THE PLACE.

Alphys- NO EXCUSES.

Sans- UUUUUUGH.

~

Papyrus- BUT SAAAANS.

Sans- Paps. We r not keeping that.

Papyrus- I'LL TAKE CARE OF IT, I PROMISSSSSE ;-;

Sans- WE ARE NOT KEEPING THAT THING.

Temmie- hOi.

~

Gaster- Sans...

Sans- D-Dad?

Gaster- Fuk dis sh*t I'm out. *walks away in portal*

Sans-...

Sans- Well, screw u 2.

~

Chara- AHAHAHAHAHHAA. I'VE GOTTEN RID OF YOUR PRECIOUS FATHER. WHAT WILL YOU DO?

Sans-um...

Sans- Kick your *ss?

Chara-...sh*t.

~

*world explodes*

Sans- well. That happened.

Papyrus- Yep.

Sans- wanna get some smoothies?

Papyrus- Yep.

Sans- Maybe some lunch too?

Papyrus- Yep.

Sans- cool. Let's go. *walks away*

Papyrus- YEP.