Green-Eyed Epiphany: Had this when Lola temporarily had a crush on Daffy. He tries to get her attention, call her pretty and even accidently blurt out that he is her boyfriend, not Daffy. It prompts her to snap out of it and tell him to repeat it. He refuses, but it's okay, she got the whole thing on tape.
Consummate Liar: As revealed in "Reunion" he's be able to make up ridiculous lies right on the spot and tell them with complete conviction. Unlike most examples of this trope, however, he doesn't manage his ability very well—he has to take Bugs to the reunion with him to keep track of all the lies he's told to different people, since they all contradict each other
Idiot Hero: The "hero" part is debatable, the "idiot" part is not.
Inferiority Superiority Complex: Tina accurately guessed that he's an "insecure little weirdo who lies about everything and probably cries himself to sleep". Daffy wasn't offended, in fact; he complimented her that she could see through him so easily.
Kick the Dog: His treatment of Porky in the second half of season 1 (especially "The Float"), was very badly recieved by the fans, who thought that Daffy couldn't have reached a lower point by that time.
Literal-Minded: In "Spread Those Wings and Fly", Daffy takes the title of a book (the title of the episode) as encouragement to take flying lessons, and Porky rights him by saying that he takes the title too literally.
Daffy: (to Porky) What are you talking about? He must have said the word "fly" about a hundred times in there. "Fly" means fly!
The Sociopath: According to Bugs anyways. He does have the lack of empathy part very much down (though subjected to Depending on the Writer), but he does have traits sociopaths clinically lack, like feelings of shame, which are consistent with him being a narcissist instead. On the other hand, he does have a short temper, is impatient, shifts blame and is stupid, traits more in line with real sociopaths than the fictional evil masterminds and manipulators.
Straw Loser: He pretty much exists to make Bugs (and everybody else) look better. The trope is lampshaded in his license acceptance speech, where he admits he has been placed in the world to make other people look better.
Took a Level in Dumbass: In the original shorts - at least, in his most iconic personalities - he was fairly intelligent and clever, but occasionally gullible and was often defeated due to his greed and selfishness. Here, he's a lazy idiot who can't do anything right and fails to answer even the simplest trivia questions correctly.
Beware the Nice Ones: Usually an Extreme Doormat, letting most people, especially Daffy, take advantage of his nice-guy persona. Even going so far as to give Daffy all of his money so Daffy could have a kidney transplant. But when Bugs revealed to Porky that Daffy lied and used all the money to buy a yacht, an enraged Porky beat the ever-living crap out of him.
Butt Monkey: Biggest one on the show. Poor pig can't catch a break.
Chick Magnet: This is the rare case where the Butt Monkey is one. He has attracted more girls than Bugs and Daffy combined, shown in "High School Reunion" and a few Merrie Melodies. However, after Petunia Pig makes her appearance, this trope is downplayed.
Dumbass Has a Point: Lola convincing Daffy in "Daffy Duck Esquire" that he can't avoid Tina's dad forever if he ever wants to marry her. It's actually one of the rare moments in the series where she doesn't say anything loony at all.
Dumb Blonde: Heavily implied, given her golden-ish fur.
Spoiled Sweet: She is ultimately a genuinely kind person, even if her bottomless stupidity and insanity makes it harder to apreciate.
Stalker with a Crush: The Merrie Melody song, "We Are In Love," is basically "Stalker with a Crush: The Song". Among other tendencies of this trope, Lola stands outside Bugs' house in the rain while sporting a Slasher Smile.
Took a Level in Kindness: He's nicer than in the original shorts. Partially justified because he's no longer allowed to use his trademark pistols, so he can't intimidate and bully people as easily as before.
Badass Adorable: According to most of the female demographic, at least. In the merry melody "Laser Beam", Marvin destroys a space octopus with his laser beam, and its remains splatters on him as he squeals cutely.
Demoted to Extra: In this adaptation, Elmer mostly serves as the local news reporter. With the exception of a brief interaction with Daffy in "Year of the Duck", he has yet to actually interact with the main cast.
Satellite Love Interest: Unlike Lola and Tina, there is no much depth to her character but being Porky's girlfriend.
Voiced by: Jim Rash
For the Evulz: In "Customer Service", Cecil annoys clients of his cable company for the sheer sake of annoying them.
Hate Sink: He only exists in the show for making other people's lives miserable For the Evulz and scam them out of their money. There is no depth to his character that could ever make him likable (unlike Daffy).
Manipulative Bastard: In "The Shell Game", Cecil manipulates Bugs and later Porky into giving him money in order to fix his shell which was "accidentally" broken by them in two completely separate car accidents that he himself set up.
Took a Level in Jerkass: In the original shorts in which Cecil starred alongside and against Bugs, he was generally a foil to Bugs. In this adaptation, he is given an extremely jerkass personality reminiscent of the various antagonists that justifiably deserve Bugs' Karmic Trickster antics.
Turtle Power: Though unusual in being unambiguously malevolent.