There are different types of epilepsy with different characteristics like grand mal epilepsy you have
tonic clonic generalized muscle contractions, frothing, unconsciousness, twitches, metal confusion, some may lose bladder and bowel control, usually preceded by an aura of impending seizure. aura is a strange feeling of muscle stiffening, hearing weird sounds, smelling strange smells etc. absence seizure manifest as brief staring spells where the person is cut off from the surroundings.