Originally Astral Cornelia was identical to her creator, a tall girl in her mid-teen with the same long blonde hair and ice blue eyes. Following the Astral Drops rebellion and fleeing, Astral Cornelia cut her hair short.
Compared to the other Astral Drops, Astral Cornelia was originally the most free thinking of the group with the least similarities to her creator, as shown when criticizing her creator upon her second creation but first time meeting Cornelia. She had a lighter personality compared to Cornelia, smiling and laughing more while at Redstone and freely flirting with Rick Fortworth, a boy Cornelia had little interest in. During the rebellion she had insecurities about herself wanting to be seen as a real person while wondering how she could distance herself from her creator.
Like the other Astral Drops she has no memory and acts in a childlike manner.