在他出場亮相時，斯内克的視覺外觀是引用流行的演員。這樣的設計顯示了他作為一個棕色頭髮、身穿深色西裝的成年男人。這個外觀仍大多是一致的整個後續地分支，有因他的年齡推進而改變。《潛龍諜影2 自由之子》中，他假裝成為Navy SEAL的制服。在《潛龍諜影4》中他經歷了一個明顯、急劇的變化，他的加速老化讓他看起來更接近老人。儘管如此，他仍然穿著他的西裝執行任務或不同的偽裝，看起來像其他的角色或年輕的自我。
- ^ Metal Gear Solid, Konami Computer Entertainment Japan (1998).
Meryl: "So... where to, Snake?" // Snake: "David. My name is David..." // Meryl: "Okay, so where to, Dave?"
- ^ Metal Gear Solid 4: Guns of the Patriots, Kojima Productions (2008).
Big Mama: "My, how you've grown... David..."
- ^ Roy Campbell: ...You were there too I believe. Didn't you infiltrate western Iraq with a platoon of Green Berets? Snake: I was just a kid myself back then. (Metal Gear Solid)
- ^ Colonel Campbell: [Solid Snake], there's enough dirt in your file from your days as an agent to keep you in the stockade until you're a very old man.
- ^ Snake: Right now my fifty huskies are my only family. I've got to take care of them. (Metal Gear Solid)
- ^ Meryl Silverburgh: Is there anyone you like? Solid Snake: I've never been interested in anyone else's life... Meryl Silverburgh: So you are all alone. Just like Mantis said. Solid Snake: Other people just complicate my life. I don't like to get involved. Meryl Silverburgh: You're a sad, lonely man.(Metal Gear Solid)
- ^ Solid Snake: I told you, even if I do owe you I don't owe anything to this army or this country!. Colonel Campbell: You will accept this assignment! Solid Snake: Why should I be stupid enough to do that? I'm no patriot. (Metal Gear Solid)
- ^ Solid Snake: ...I just didn't expect a world-class designer of military technology to be so...cute. Mei Ling: You're just flattering me... Solid Snake: No, I'm serious. Now I know I won't be bored for the next 18 hours. (Metal Gear Solid)
- ^ Naomi: ...Why did you go so far out of your way to save her? For Campbell's sake... or... maybe it's because you like her? Solid Snake: I don't want to see any woman die right in front of me. Naomi Hunter: Oh really? Since when did anybody's death bother you so much? Colonel Campbell: Naomi! It's true that [Solid Snake] has killed a lot of people, that doesn't mean he doesn't have a heart. (Metal Gear Solid)
- ^ Naomi Hunter: ...Friends? Solid Snake: ...Frank Jaeger Naomi Hunter: But... didn't you try to kill each other? Solid Snake: That's true. We did. In Zanzibar. But it was nothing personal. We were just professionals on opposite sides, that's all. Naomi Hunter: And you still call yourselves friends? Solid Snake: Hard to believe? War is no reason to end a friendship. (Metal Gear Solid)
- ^ Otacon: I wanna ask you... Do you think love can bloom even on a battlefield? Solid Snake: Yeah...I do. I think at any time, any place... people can fall in love with each other. (Metal Gear Solid)
- ^ Vulcan Raven: Rejoice, Snake! Ours will be a glorious battle. Solid Snake: This isn't glorious. It's just plain killing. Violence isn't a sport! (Metal Gear Solid)
- ^ Solid Snake: It's only when I'm cheating death on the battlefield. The only time I feel truly alive. Meryl Silverburgh: Seeing other people die makes you feel alive, huh? You love war and don't want it to stop... Is it the same with all great soldiers throughout history?
- ^ Meryl Silverburgh: You monster! Snake: Let him talk. He doesn't have much time left. Psycho Mantis: I've seen true evil. You Snake. You're just like the Boss... No, you're worse. Compared to you, I'm not so bad.
- ^ Solid Snake: I don't want that kind of world! Liquid Snake: Ha! You lie! So why are you here then? Why do you continue to follow your orders while your superiors betray you? Why did you come here? Solid Snake: ...... Liquid Snake: Well... I'll tell you then. You enjoy all the killing, that's why. Solid Snake: What! Liquid Snake: Are you denying it? Haven't you already killed most of my comrades? Solid Snake: That was... Liquid Snake: I watched your face when you did it. It was filled with the joy of battle.