You’re H.M. Murdock.
“They call him ‘Howling Mad’ and with good reason. Once a top notch pilot, the pressures of war left Murdock mad. He is known for his smirk, variety of personas and overall mental instability. When he isn’t spending time institutionalized, Murdock is using his flying skills for the A-Team, driving B.A. nuts, and talking to his imaginary dog.”