Inspired by @Alex the watermelon
Valem to Delirium
" Interesting Creature."
" Shapeshifter, stay out of our way."
" A result of a dying mind."
" Join us, and become useful."
Valem to Greed
" Sinful human, you are pathetic."
" Are you one of us?"
" A human child, most pitiful."
" Sad existence."
Valem to Super Greed
" Paying for extra forms? Pathetic."
" You still are pathetic."
" More power, still pathetic."
" You are not one of us."
Valem to Ultra Greed
" The bigger they are, the harder they fall."
" Summoner of sin, don't get in the way."
" Corpse, leave this realm."
" Why are you here?"
Valem to Ultra Greedier
" Made of gold, still pathetic."
" Fragile statue, leave."
" Make yourself useful, and end their pathetic lives."
" We do not need you."
Valem to Ultra M
" Leave this planet, false god."
" More power, still pathetic."
" Being of many, still outnumbered."
" You are few, we are many."
Also I feel like he would have one quote per character fused into M.
Valem to M
" Pathetic creature, once human."
Valem to Horror Peach
" False princess, leave."
Valem to Yoshi.EXE
" Reptilian creature, join us."
Valem to John D
" Turtle corpse, still breathing."
Valem to Chris Pratt
" Pathetic human."
Valem to Grand dad
" Ancient joke."
Valem to Somari
" Two entities fused, still pathetic."
Valem to Beta Luigi
" Sad existence."
Valem to L Is Real
" Tortured human."
Valem to IHY Luigi
" Hateful creature, scorched and alive?"
Valem to Wario Apparition
"You are a joke."
Valem to Turmoil
" Gluttonous entity, leave."
Valem to Bad Mario
" Small human, mischievous."
Valem to DO Mario
" Join us."
Valem to DO Luigi
" Pitiful."
Valem to SH Mario
" Corrupt of greed."
Valem to Racist Mario
" You do not scare us, racer."
Valem to Devil Mario
" Many spirits in one body, still outnumbered."
Valem to GB
" Human creation, interesting."
Valem to DJ HallyBoo
" Stay out of our way, Anti-pirate."
Valem to Mr. V
" Performer, join us."
Valem to Mr. L
" Vengeful spirit, join us."
Valem to Stanley
" Sad existence."
Valem to Classified Luigi
" Drowned corpse, pathetic."
Valem to Costume
" Living suit, interesting."
Valem to Omega
" A creation capable of creating? Interesting."
Valem to LG, W4R, and Y0SH
" Hivemind of 3, still outnumbered."
Valem to Mr. Sys
" You are not unbeatable, human."
Valem to DH Dog
" You are not unbeatable, mutt."
Valem to Unbeatable Bowser
" You are not unbeatable, reptilian."
Valem to Tweaking Boss
" Leave this planet, false god."
" You are just a joke, nothing more."
" Ancient entity, disperse."
" Leave this earth."
Valem to tails doll
" Murder them all, little plush."
" Make sure that they don't feel the sunshine."
" You would make a fine demon."
" Human creation, interesting."
Valem to Xanislater (a Horrorbrew I created)
" Leave this planet, false god."
" Your 'family' is weak."
" You are one, we are many."
" Don't toy with them, entity."
Valem to Mr. Hush (an EXE I created)
" Leave this planet, false god."
" Go back to your silence."
" Silence them."
" You would make a fine demon."
Valem to C00lkidd
" Put them to rest."
" They are weak."
" You would make a fine demon."
" Make them sleep."
Valem to Black Imposter
" Our numbers are greater."
" Leave this planet, parasite."
" Give them their defeat."
" Don't let them have this victory."
Valem to G.666 (my take on Guest 666)
" Are you one of us?"
" You and your friend are pathetic."
" Friends with an angel? A disgrace."
" Our ranks suffer."
Valem to MickMick
" Leave this planet, false god."
" They walked all over you, take what's yours."
" They killed your children, kill them."
" Stay in solitude, horrid rat."