|HIT * 95%||EVA * 5%|
|Attack Element: Physical||Animal * 100%|
A Hallucination of Marty Armstrong seen by both Lisa Armstrong and Brad Armstrong. In LISA: THE FIRST, the Marty Spider is an insta kill enemy that will send you back to a checkpoint. In LISA: THE PAINFUL, it is a weak enemy with a very low reward, serving more as an annoyance than a threat.
- The cave in the Sea Room and the cave in The Bile Room, in LISA: THE FIRST.
- The Meat Cave Hallucination after defeating Wally and the Bathhouse, in LISA: THE PAINFUL.
- The Marty Spider is a callback to LISA: THE FIRST, the difference being that they would send you back to a checkpoint upon contact, rather than being a straight-up battle.
- Despite presumably being Brad's hallucination, the rest of Brad's party will be with him when he fights a Marty Spider and can even attack it themselves.
- The Marty Spider is actually a stealthy visual pun, it's a "Daddy Long Legs".