Dennis the Menace (U)

Game Genie Codes:
Invulnerability
C93-4AE-E69

Invulnerability (Alt.)
001-FAE-19E

Infinite Health
C95-B9E-19E

Infinite Lives
3C3-86F-19E

No Game Over
383-84F-4CA

Blink Longer After Taking Damage
FF5-C3E-6EB