Whatever you're thinking, that isn't an alien. It's someone you know.
You might be thinking of "Out of This World".
not an animal an alien but by the name, probably a dog
No, because cockroach is a knid of animal
Alien
Alien specie is defined by whether it is a foreighn animal. For instance, in the UK some of the spiders around are alien specie, because they are not from this country.
To claim his alien daughter and son.
There are no known "alien races", so the question is more or less meaningless even if "animal characteristics" was defined well enough for us to tell.
if you mean THE teddi he's annoying [animal-alien]
common raven
To claim his alien daughter and son.
Maybe you are thinking of Alf? Maybe not.