Helena

Helena is an Impostor who just happened to end up stuck aboard the Skeld one day. She didn't particularly enjoy being there, and wasn't too happy about being caught up on there, but realised very quickly that the real Crewmates aboard the ship were not going to take kindly to what she really was. At first, she hid underneath her spacesuit, but over time he managed to perfect her human disguise to the point of finally being able to remove her helmet without anyone being suspicious of her. If she tried to remove any other part of the spacesuit then the humans aboard would be able to tell she wasn't one of them, and she didn't particularly want to die either, so she sticks with keeping her spacesuit on all the time. Claiming that it is comfortable.

At first, she struggled with learning English well enough to actually communicate with others. When she was first caught aboard, she only responded with hums and other noises, and over time she practiced speaking English in secret simply just so she could manage a normal conversation with the others on the ship without them getting sus of her. Occasionally though she still messes up words and displays vocal traits that are unnatural for a human, and she has nearly given herself away on multiple occasions.

She originally appears to be a nice person, but really underneath that she is quite very interesting in killing others and seeing what chaos ensues when the others find the bodies.

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It is unclear what the relationship is between Helena and the child who always follows her around, they look similar and may be related but because neither are human it is impossible to really tell exactly how it is. It is possible that they are both appearing in such a way to make the humans let their guards down so Helena can kill easier.