Latest 'Peacemaker' cameos included another 'Superman' character

In “Like a Keith in the Night,” Lex Luthor’s help turned out to be a person and not just a machine. He told the head of A.R.G.U.S. to tell former LuthorCorp employee Sydney Happersen to find the missing portal. The “MIT super genius” (played by Stephen Blackehart) who “literally wrote the book on dimensional interconnectivity” was one of the main scientists who worked for Luthor in James Gunn’s Superman. He was also one of the people most responsible for almost destroying the world with a giant rift. Happersen knew he should—and wanted to—close the rip in reality, but didn’t when his boss yelled at him.

On Peacemaker we saw his loyalty to Luthor, who Flagg said Happersen threw everything away for, did not end with his imprisonment. Happersen tried to negotiate a reduction in his sentence in exchange for his help. The scientist quickly acquiesced when Flagg refused and said he would tell Luthor “his boy let him down.” (Notably, the selfish Luthor hadn’t asked for any leniency or special treatment for his loyal follower.) When Flagg said that a scared Happersen immediately agreed. He then sat down to the impounded communications hub he’d worked from in Superman. Happersen used it to immediately find Peacemaker’s missing portal in Washington state.

That rift was far more secure than the ones LuthorCorp had ever opened. Those always had a “wobble.” They started “collecting dimensional detritus” before “eventually collapsing.” We saw that happen when Mister Terrific kept one open for too long.

Now super genius and Lex Luthor sycophant Happersen has a working model of a stable one. Probably not great.

Before Happersen can potentially help Luthor out again, though, Rick Flagg Sr. plans to put him to work for the United State govergment. Flagg praised Happersen for his quick work and said, “I may keep you around.” The scientist liked the sound of that.

One person Flagg won’t keep around is the episode’s other expanded DCU cameo. Thats because that person now only exists in Nazi World. Season one Peacemaker star Lochlyn Munro returned to the show as the parallel version of Detective Larry Fitzgibbon. The character died during the series’ first season when a Butterfly overtook his body.

Fitzgibbon didn’t die during his appearance in season two, though. And considering the show teased the possibility a vengeful Keith will follow his fake brother back to his world, we avtually can’t rule out that version of Larry Fitzgibbon won’t also make his way to the DCU’s main world someday.

If he does he might end up investigating the head of A.R.G.U.S. Specifically why Flagg gave Lex Luthor’s most brilliant, loyal, browbeat lickspittle information on how to create multidimensional portals that don’t wobble.

But, uh, anyone who watched the end-credits scene knows it’s probably best for everyone if no detective in any world asks why Flagg let Happersen surf the web after he was done finding rifts.