An irrational fear could be Cynophobia - a fear of dogs
Steps to overcome the phobia might include CBT to understand and analyse your fear process. Exposure therapy is useful in using small steps to decrease your fear over time through desensitisation
This could include starting with imagining a dog, then seeing pictures of one, progressing to holding a toy dog, Watching real dogs from far away and eventually being able to be near and even touch a real dog
people can change their names all the time if they feel that they want to change it and if they feel their names should be changed for them to fit in,in different places or eviroments
This is the answer because you are beginning to tell about the olympic swimmer. Finally would not be it because it states that that is the end of the writing. it's not in addition because this is the first fact you have given and it wouldn't be equally important because that's opinionated.