Question: Who was the only writer that co-wrote both 'Goon' and 'Goon: Last of the Enforcers'?

Context paragraphs:
Goon: Last of the Enforcers: Goon: Last of the Enforcers is a 2017 sports comedy film directed by Jay Baruchel in his directorial debut and written by Baruchel and Jesse Chabot.  A sequel to "Goon" (2011), the film stars Seann William Scott, Baruchel, Liev Schreiber, Alison Pill, Elisha Cuthbert, Wyatt Russell, Marc-André Grondin and Kim Coates.

The Fear of Wages: "The Fear of Wages" is an episode of "The Goon Show", a British radio comedy, written by Spike Milligan and Larry Stephens.  As the 25th episode of the sixth series, it was first broadcast on 6 March 1956 and was among the shows first repeated in the 1970s following the success of The Last Goon Show of All in 1972.  Appearing on a program entitled 'Goons Night' on BBC Radio 2, broadcast 29 May 2001, Spike Milligan announced this as his favourite episode of The Goon Show.

Eccles (character): "Mad" Dan Eccles ( ) is the name of a comedy character, created and performed by Spike Milligan, from the 1950s United Kingdom radio comedy series "The Goon Show".  In the episode "The Macreekie Rising of '74", Peter Sellers had to fill in for the role in Milligan's absence.  Very occasionally, he was referred to as 'Mad Dan' Eccles.

John Browell: John Logan Browell (born 29 June 1917 in London; died 19 May 1997 in Watford, Hertfordshire) was a radio producer who worked primarily in BBC Radio.  He was best known for producing the final two series of "The Goon Show" and its special edition "The Last Goon Show of All".  He also produced comedies with "Goon Show" writer and performer Spike Milligan, including "Milligna (or Your Favourite Spike)" in 1972.

Goon (film): Goon is a 2011 Canadian sports comedy film directed by Michael Dowse, written by Jay Baruchel and Evan Goldberg, and starring Seann William Scott, Jay Baruchel, Liev Schreiber, Alison Pill, Marc-André Grondin, Kim Coates and Eugene Levy.  The main plot depicts an exceedingly nice but somewhat dimwitted man who becomes the enforcer for a minor league ice hockey team.

Larry Stephens: Lawrence Geoffrey Stephens (16 July 192326 January 1959) was a BBC radio scriptwriter, best remembered for co-writing "The Goon Show" with Spike Milligan.  Stephens was a regular writer of the show for the first two years, and then returned to "The Goon Show" to assist Milligan, during the latter's tougher moments.  From his association with Milligan, Stephens became involved with Associated London Scripts (ALS), and was said to have been "one of the most eye-catching characters, in the earliest days of the company...he played a significant cameo role in the first phase of success for ALS".

Goon Moon: Goon Moon is an American rock band composed of Jeordie White (also known as Twiggy Ramirez) and Chris Goss.  The band released the mini-LP "I Got a Brand New Egg Layin' Machine" in 2005 and have since recorded a full-length album, "Licker's Last Leg", which was released on May 8, 2007.  The album features cameos from longtime Goss collaborators Josh Homme and Josh Freese, as well as desert rock mainstay Dave Catching.  Although Goss and White continue to work on other projects, they have both alluded to the possibility of future Goon Moon recordings on Twitter.

The Last Goon Show of All: The Last Goon Show of All, broadcast on 5 October 1972, was a special edition of the famous BBC Radio show "The Goon Show," commissioned as part of the celebrations of the 50th anniversary of the BBC.  It was simulcast on radio and television, and later released as an audio recording on long-playing record.  This in turn has been re-issued in other formats such as compact disc.  A video of the television broadcast was also released on VHS and later on DVD, although with some omissions.  In early October 2007, 35 years after the original broadcast, a full unedited version was broadcast on BBC 7, the digital radio channel dedicated to re-runs of classic shows.

Enforcer (ice hockey): Enforcer is an unofficial role in ice hockey.  The term is sometimes used synonymously with "fighter", "tough guy", or "goon".  An enforcer's job is to deter and respond to dirty or violent play by the opposition.  When such play occurs, the enforcer is expected to respond aggressively, by fighting or checking the offender.  Enforcers are expected to react particularly harshly to violence against star players or goalies.

I Need a Girl (Taeyang song): "I Need a Girl" is a song recorded by South Korean singer Taeyang for his first studio album "Solar" (2010) through YG Entertainment.  It features rap by G-Dragon, who co-wrote the song with producer Jeon Goon.  The song was released on July 1, 2010, as the lead single from "Solar".  "I Need a Girl" is a R&B song about the type of women Taeyang wants.

Supporting paragraphs: Goon: Last of the Enforcers Goon (film)
Answer: Jay Baruchel