Question: Who is the American actor and voice actor that guest starred in the animated television series Death in Bloom as Death?

Context articles: Rodger Bumpass
Gerry Rosenthal
Cutter Garcia
Jeff &quot;Swampy&quot; Marsh
Ernie Grunwald
Matthew Géczy
Miguel Ferrer
Death in Bloom
Rebecca O'Mara
Clown in the Dumps

Rodger Bumpass (born November 20, 1951) is an American actor and voice actor.
 He is best known for his long-running role as Squidward Tentacles on the American animated television series "SpongeBob SquarePants".
 He voices many other characters on the show, including Dr. Forrest and various anchovies.
 He also voiced The Chief in the animated series "Where on Earth Is Carmen Sandiego?
", and Mr. Besser, the school principal in the animated series "The Kids from Room 402".
 Bumpass has many other credits in animated films, animated television series, and video games.
Gerald Raymond "Gerry" Rosenthal (born September 2, 1980) is an American actor, voice actor, singer-songwriter, and musician who started out acting in TV commercials at the age of 7.
 He has starred on films and short films and has guest starred in television series such as "Law & Order" and "Celebrity Deathmatch".
 He is perhaps best known for providing the voice for Jimmy Hopkins the main playable character in the 2006 video game "Bully" for which he was nominated for a 2006 Spike VGA award for best performance by a human male.
 He lives in Jersey City, New Jersey and now mostly works as a guitarist, bassist, keyboardist, and singer-songwriter.
 He teaches private music lessons and performs in gigs professionally.
 He plays bass in both a Beatles cover band called Hey Bulldog, as well as the Mama Doni Band, and guitar in a wedding band called The Jersey Joint.
 Gerry also writes, records, and plays guitar with his own original band, Big Wake.
 He freelances with as many different projects as possible, and performs solo and duo acoustic sets all over the area.
Cutter Garcia (born May 9, 1975) is an American actor, voice actor, and writer.
 He has guest starred in numerous television series, and is perhaps most notable for voicing Torn in the Jak and Daxter video game series.
Jeff "Swampy" Marsh (born December 9, 1960) is an American animator, writer, director, producer, and voice actor associated with several animated television series, most notably as the co-creator, executive producer, and voice of Major Monogram of Disney's animated series "Phineas and Ferb".
 Marsh was born in Santa Monica, California, where he grew up with a heavily blended family dynamic.
 Marsh has been and continues to be a driving force behind several animation projects, working for over six seasons on the animated television series "The Simpsons".
 Marsh continued to work on other animated television series, including "King of the Hill" and "Rocko's Modern Life," before moving to England in 1996.
Ernie Grunwald (born in Thornhill, Ontario, Canada) is a Canadian-born actor who has had made guest appearances in a number of notable television series.
 He has also had recurring roles on, "One on One", "The Suite Life of Zack & Cody" (as Mr. Forgess, Series 2 Episode 22), and "Two of a Kind" opposite Mary-Kate and Ashley Olsen.
 He has also guest starred on, "Friends", "My Name Is Earl", "NYPD Blue", "Reno 911!
", "ANT Farm", "Walker, Texas Ranger", "Supernatural", "Grey's Anatomy", "Bones", "The Mentalist" and many other series.
 He has also had roles in the feature films, "Cellular", "It Takes Two", "Men in Black II", and "Stealing Harvard".
 He guest starred as a restaurant manager in "Monk" ("Mr. Monk's 100th Case") and as a bumbling government official in "Psych" ("Death is In the Air").
 He also made a cameo appearance in the 1992 Disney film "The Mighty Ducks" as a fan.
Matthew Géczy (born August 23, 1964 in the state of Georgia) is an American movie and television actor, voice actor and voice director based in Paris, France.
 He has acted in several films for television and cinema, with directors such as Brian De Palma and Thomas Vinterberg.
 He has been a voice actor in advertising campaigns, documentaries, video games, internet media and in the field of animation.
 He has provided voices for productions such as "Code Lyoko", "Casper's Scare School", "Ratatouille", and "Persepolis".
 He played a voice acting role in video games such as "Rayman 2", "", "XIII" and "Amy".
 He has also worked as the voice director for numerous animated television series including the Children's BAFTA-nominated series "Eliot Kid" (BBC, ABC Australia, Cartoon Network), "Mouk" (Disney Junior), "I.N.K. Invisible Network of Kids" (Pop, ABC Australia), Season 2 of "Casper's Scare School", and is currently in production for Season 2 of "The Mysterious Cities of Gold" and "The New Adventures of Lassie" for DreamWorks Classics.
Miguel José Ferrer (February 7, 1955 – January 19, 2017) was an American actor and voice actor.
 His breakthrough role was the OCP Vice President Bob Morton in the 1987 film "RoboCop".
 Other film roles include Commander Harbinger in "Hot Shots!
 Part Deux" (1993), Shan Yu in "Mulan" (1998), Eduardo Ruiz in "Traffic" (2000) and Vice President Rodriguez in "Iron Man 3" (2013).
"Death in Bloom" is the seventeenth episode of the second season of the American animated television series "Adventure Time".
 The episode was written and storyboarded by Jesse Moynihan and Cole Sanchez, from a story by Mark Banker, Kent Osborne, Patrick McHale, and series creator Pendleton Ward.
 It originally aired on Cartoon Network on February 28, 2011.
 The episode guest stars Miguel Ferrer as Death; Ferrer would later reprise his role in the fourth season episode "Sons of Mars".
Rebecca O'Mara (born 15 March 1977) is an Irish actress.
 The Dublin born actress grew up by the sea in Sandycove and is the voice actor for Caitlin in the widely popular international children's television series Thomas the Tank Engine & Friends.
 She has also worked extensively in theatre in the UK and Ireland since graduating from the London Academy of Music and Dramatic Art (LAMDA).
 She played Minnie Larkins in "The History of Mr Polly", Mrs. O Keefe in the 2014 Ken Loach film Jimmy's Hall and has guest starred in various television programmes including Line of Duty and Doctors, but is probably best known for her role as scene of crime officer, Frankie Hynes, in TV3's Red Rock She is the younger sister of actor, Jason O'Mara.
"Clown in the Dumps" is the season premiere of the twenty-sixth season of the American animated television series "The Simpsons", and the 553rd episode of the series overall.
 It first aired in the United States on the Fox network on September 28, 2014, with "The Simpsons Guy", a crossover episode of "Family Guy" with "The Simpsons", airing afterwards.
 This episode was dedicated in memory of Louis Castellaneta, the father of "The Simpsons" voice actor Dan Castellaneta.
 It was written by Joel H. Cohen and directed by Steven Dean Moore, with Don Hertzfeldt directing a sequence in the opening titles.
 Jeff Ross, Sarah Silverman and David Hyde Pierce guest starred as themselves, with Jackie Mason and Kelsey Grammer reprising their respective roles as Rabbi Krustofski and Sideshow Bob, while Maurice LaMarche voiced several minor characters.