monophobia, or sometimes called autophobia, isolophobia, or eremophobia, is a morbid fear of being egotistical, or a dread of being alone or isolated. astraphobia, also known as astrapophobia, brontophobia, keraunophobia, or tonitrophobia, is an abnormal fear of thunder or lightning. dan howell has monophobia. phil lester has astraphobia. two different phobias? thats not a problem. dan and phil overcome their fears, with the help of eachother. discontinued.All Rights Reserved