Top Ten Best Dr. Gero (Android 20) from Dragon Ball Z Manga Chapter Appearances

1 Dragon Ball Z Chapter #350: No. 17, No. 18, and... No. 16 (Jūnana-Gō · Jūhachi-Gō, Soshite... Jūroku-Gō)

2 Dragon Ball Z Chapter #339: Yamcha in the Nick of Time!! (Yamucha Kan’ippatsu!!)

3 Dragon Ball Z Chapter #338: The Artificial Humans Head to the City... (Jinzōningen Machi e...)

4 Dragon Ball Z Chapter #349: No. 17 and No. 18 Are Awakened (Mezameta Jūnana-Gō, Jūhachi-Gō)

5 Dragon Ball Z Chapter #348: To the Laboratory...!! (Kenkyūjo e...!!)

6 Dragon Ball Z Chapter #345: No. 20 Escapes! (Nijū-Gō Nigeru!)

7 Dragon Ball Z Chapter #347: Trunks' Suspicion (Torankusu no Giwaku)

8 Dragon Ball Z Chapter #346: Trunks Reappears (Torankusu Sai-Tōjō)

9 Dragon Ball Z Chapter #340: Son Goku vs. The Red Ribbon Army's Grudge (Son Gokū Tai Reddo Ribon Gun no Urami)

10 Dragon Ball Z Chapter #337: The Super Warriors Gather (Tsudō Sūpā Senshi-tachi)

The Contenders

11 Dragon Ball Z Chapter #341: Son Goku's Problem (Dō Shita Son Gokū)

12 Dragon Ball Z Chapter #342: Goku, Defeated! (Gokū, Yabureru!)

13 Dragon Ball Z Chapter #344: The Artificial Humans Panic (Urotaeru Jinzōningen)