Flowey (Flowingous)

Personality
Shes kind, evil (used to be), sabotaging, loyal, reliable, responsible and herioc. She used to be evil in 2019. But Gaster freed her and Chara, but Chara returned to what she was, Flowey got killed by Chara at Doggy's House alongside The Mantis' (The Creature).

Flowingous
That is her name in The Lost Language or the Terra Language, she is known in "Terra Lost" for her vines and herioc cryptid powers.