Dramatic Irony is when you try to do something but do the opposite
Situational irony is when the reader knows something that the character doesn't
And verbal irony is saying something but it means a totally different thing
They are twins, and look alike. Samneric is a way to call them when alone to not confuse them.
This would be a fragment. The is no point making it impossible to be a sentence. It would be her pet armadillo is brown and his name is George. To make it a sentence.