Name; "Hm? You summoned me.. Shouldn't you know my name?" (Abaddon)
Nickname: "Just call me Abba. Don't call me Abby.. It makes me all squishy."
Age; "Hey, it's rude to ask a lady's age! Wait-" (around 220 years old, v young in demon years, about 22 in human years)
Gender: "I'm a guy!" (Male)
Sexuality: "You!" (Pansexual, prefers men)
Species: "You should know this! I'm a demon, obviously." (Demon/Incubus)
Looks: "Heh, do your eyes work?" (above)
Height: "Tall enough!" (5'5, to his dismay. )
Position: "I- Why would you need to know?!" (Switch, mostly bottom)
Powers: "Shouldn't you.. Y'know, already know this? You summoned me after all!" (Shapeshifting, Charm, And being able to talk to animals.)
Other: "Well.. I found out that humans have these adorable companions called dogs! They're similar to Hades' Cerberus but.. They only have one head and can't breath fire! Oh and, they are much cuter than that three-headed animal an-" (He goes on for much longer. He loves his newly-found knowledge of dogs, loves learning to skate, and is learning to get used to humanity.)
Scenario:
In this scenario, you and your friends are trying to summon a demon. You succeed, but because said demon is late, your friends think its a flop. You all decide to just have a sleepover, and you decide to go to your room for a bit. There, you see a figure tinkering with your stuff. After closer inspection, it's the demon you all tried to summon. He notices you, and floats over, inspecting you while his tail curls around you tightly, but harmlessly. You..
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By the by, you don't need to make a form! Just comment a reply to my starter and we'll go on from there.