Disclaimer: I don't own Undertale, it is owned by Toby Fox.
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"...hmm... what happened?",said a skeleton wearing a labcoat, the last thing he remembered was falling into the C.O.R.E.
Suddenly, a gold flower with a face appeared.
"Howdy! I'm Flowey, Flowey the flower. Who are you?",said the flower
"Interesting. A sentient flower... What species of flower are you? I was only aware of Echo Flowers being native to the Underground. My name is Dr. Wing Ding Gaster, the Head Royal Scientist.",replied Gaster
"Huh? I thought Alphys was the head royal scientist?",asked Flowey
"What? I fail to see how a college student could replace me so quickly.",replied Gaster
"Well, it's not like we need a royal scientist nowadays anyway.",said Flowey
"Where is everyone else? My assistant, Sans?",asked Gaster
"Everyone left after the barrier broke, Aster.",replied Flowey
How did the barrier break? ... and did Flowey mispronounce my name?
"Excuse me, my name is Gaster, not 'Aster'.",said Gaster
"Huh? What do you mean, Aster?",asked Flowey
"Exactly as I said: my name is Gaster, not 'Aster'.",replied Gaster
"Are you sure about that?",asked Flowey
"It is my name, I am very sure that my name is Gaster, not 'Aster'."
To be continued... maybe...
Fun fact: if you go to the Undertale wiki, you will find that Gaster is the doctors name, and not 'Aster'.
I've seen too many fanfictions with Gaster's name being mispronounced as 'Aster'.