Complex sentence: Unlike the Hulk, Doc Samson originally did not suffer from multiple personality disorder, and retained his genius intellect, however in recent years he has developed a split personality: his calm conscious personality "Leonard" and his ignorant personality "Samson".
Split into simpler sentences: Unlike the Hulk, Doc Samson originally did not suffer from multiple personality disorder, and retained his genius intellect, however in recent years he has developed another personality. His calm conscious personality "Leonard" and his ignorant personality "Samson".